Temperature Awful. The calmest month of the year in Atherton is October, with an average hourly wind speed of 7.3 miles per hour. Santa Clara Solar elevation and azimuth over the course of the year 2023. A warm day with heavy, thundery showers this afternoon. You can reject cookies by changing your browser settings. The time of Actual Sunset minus the time of Actual Sunrise. The months with the highest UV index are June, July, August and September (UV index 5). We will review the data in question. The windiest month (with the highest average wind speed) is April (7.5mph). Today. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. The number is the average wind speed. We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. The black isolines are contours of constant solar elevation. The month with the most sunshine days is August (27.6 days). Feeling pleasant in the sunshine. San Carlos The month with the highest atmospheric pressure is January (30.13"Hg). Newark All times are BST (Europe/London, GMT +0100) unless otherwise stated. The windiest month (with the highest average wind speed) is April (7.5mph). Temperature C (F), Max. The earliest sunset is at 4:50 PM on December 6, and the latest sunset is 3 hours, 43 minutes later at 8:33 PM on June 28. The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi). The wettest month is January (9.87 days). Please choose your location from the nearest places to : Chance of precipitation represents how likely it is that rain (or other types of precipitation, such as sleet, snow, hail and drizzle) will fall from the sky at a certain time. The Met Office issues weather warnings when severe weather has the potential to impact the UK. - Some communities might become cut off if roads flood Day Selection Year Selection. On the first day of June in Atherton, California, Atherton, California - Summer forecast. For more information, see the Met Office Weather Warnings Guide. You can expect rain for roughly half of the month of June in Atherton. Shortwave radiation includes visible light and ultraviolet radiation. Cold summers and winters with lots of rain. High pressure likely remaining to the north of the UK, with greatest chance of settled conditions continuing. Our beach/pool temperature score is 0 for perceived temperatures below 65F, rising linearly to 9 for 75F, to 10 for 82F, falling linearly to 9 for 90F, and to 1 for 100F or hotter. Ordinary outdoor activities are not possible at this time without extra illumination. The darkest month of the year in Atherton is December, with an average of 2.3 kWh. Daily Weather Observations from this site are included in the Daily Weather Observations ; In January, the lowest number of daily hours of sunshine is measured in Atherton on average. Temperature In September, the average high-temperature is relatively the same as in August - a still agreeable 72.7F (22.6C). The driest month is August (0.20 days). The brighter period of the year lasts for 3.6 months, from May 7 to August 26, with an average daily incident shortwave energy per square meter above 7.2 kWh. 12AM 3AM 6AM 9AM 12PM 3PM 6PM 9PM 12AM 56 58 60 62 64 66 68. There is an increased likelihood of bad weather affecting you, which could potentially disrupt your plans and possibly cause travel delays, road and rail closures, interruption to power and the potential risk to life and property. Partly cloudy skies. Light winds and feeling hot into the afternoon, especially outside of showers. The month with the highest number of rainy days is March (12.8 days). Here's how much rain fell Monday around the DC area. The drier season lasts 6.8 months, from April 10 to November 4. This is the average number of seconds between one wave and the next, 1-2 miles out to sea. The time of Civil Sunset minus the time of Civil Sunrise. For example: The months with the lowest UV index are November and December (UV index 3). The month with the most sunshine days is August (27.6 days). Click on a day in the calendar to see weather records and other details. The month with the least rainy days is August (0.8 days). 1-2 Excellent. Read about our approach to external linking. The month with the least cloud cover is July (Cloud cover 9). Based on this score, the best time of year to visit Atherton for hot-weather activities is from late June to mid September, with a peak score in the last week of August. Please turn on JavaScript. The darker period of the year lasts for 3.4 months, from November 4 to February 18, with an average daily incident shortwave energy per square meter below 3.5 kWh. The driest month is August (0.20 days). Perhaps chances of showers and thunderstorms development towards the south of the UK. The earliest sunrise is at 5:47 AM on June 13, and the latest sunrise is 1 hour, 49 minutes later at 7:36 AM on November 4. Get the monthly weather forecast for Atherton, CA, including daily high/low, historical averages, to help you plan ahead. The month with the most sunshine is July (Average sunshine: 12h and 0min). Please review our full terms contained on our Terms of Service page. The individual waves out to sea or at the beach can be higher than this number. The first month of the summer, June, is an agreeable month in Atherton, California, with temperature in the range of an average low of 53.2F (11.8C) and an average high of 70.3F (21.3C). In the beginning of morning astronomical twilight and at the end of astronomical twilight in the evening, sky illumination is very faint, and might be undetectable. The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The location Atherton is in the northern hemisphere. June weather forecast. Throughout the year, temperatures vary by 8.3 C | 15.0 F. The predominant average hourly wind direction in Atherton varies throughout the year. The month with the least rain in Atherton is August, with an average rainfall of 0.0 inches. The month with the longest days is June (Average daylight: 14h and 42min). Lifeguards can give you advice on waves if youre planning to go into the water. The average hourly wind speed in Atherton experiences mild seasonal variation over the course of the year. The area within 2 miles of Atherton is covered by artificial surfaces (64%) and herbaceous vegetation (33%), within 10 miles by artificial surfaces (31%) and water (22%), and within 50 miles by water (43%) and grassland (15%). Atherton, CA Weather Forecast | AccuWeather Current Weather 11:09 PM 54 F RealFeel 54 Air Quality Excellent Wind W 3 mph Wind Gusts 7 mph Cloudy More Details Current Air Quality Saturday. A long wave period (more than 10 seconds) means the waves at the beach may be more powerful. We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader. The month with the longest days is June (Average daylight: 14h and 42min). Take control of your data. Lifeguards can give you advice on waves if youre planning to go into the water. Good. Updated: 15:00 (UTC+1) on Sun 11 Jun 2023. Temperature C (F), Precipitation / Rainfall mm (in), Humidity, Rainy days. Cherryland UV exposure index and the protection required to help keep you safe: - The highest monthly average temperature in, The lowest monthly average temperature in Atherton for January is 50.4 degrees, The most monthly precipitation in Atherton occurs in December with 2.6 inches, The air quality index in Atherton is 2% worse than the national average, The pollution index in Atherton is 254% worse than the national average. This number shows the air temperature for the time period. High - Seek shade during midday hours, cover up and wear sunscreen. The topography within 2 miles of Atherton contains only modest variations in elevation, with a maximum elevation change of 138 feet and an average elevation above sea level of 53 feet. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Atherton area. For the purposes of this report, the geographical coordinates of Atherton are 37.461 deg latitude, -122.198 deg longitude, and 56 ft elevation. The tourism score favors clear, rainless days with perceived temperatures between 65F and 80F. The month with the shortest days is December (Average daylight: 9h and 36min). Please select the information that is incorrect. Our precipitation score, which is based on the three-hour precipitation centered on the hour in question, is 10 for no precipitation, falling linearly to 9 for trace precipitation, and to 0 for 0.04 inches of precipitation or more. The months with the highest UV index are June, July, August and September (UV index 5). Burlingame Average monthly weather with temperature, pressure, humidity, precipitation, wind, daylight, sunshine, visibility, and UV index data. Menlo Park For print usage, please acquire a license. Maximum temperature 26C. In Atherton, the summers are long, warm, arid, and mostly clear and the winters are short, cold, wet, and partly cloudy. UV: Very high; Pollution: Low; Pollen:. Data: 1991 - 2021 Min. Based on the tourism score, the best time of year to visit Atherton for warm-weather activities is from late June to late September. Month Selection. Severe weather is possible over the next few days and could affect you. Sunscreen advised. Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations. Sunny changing to thunder showers by lunchtime. The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi). The letters show the direction the wind is blowing from (on a standard 16-point compass). The Met Office issued new weather warnings for storms and rain on Monday, but . - Spray and sudden flooding could lead to difficult driving conditions and some road closures This period encompasses the months: June, July, August, September. Leverage advanced weather intelligence and decisioning tools for your enterprise business. In Atherton, California, during the entire year, the rain falls for, Atherton, California - Climate and weather forecast by month. Use this monthly calendar to view weather averages, such as average temperature 14 days ahead of today, as well as the . One of the most active volcanoes in the world has begun erupting after a three-month pause. Observation Station: Rostherne No 2 (Lat: 53.3667. Feels like temperature considers other factors, such as wind speed and humidity. Largely dry with long periods of warm sunshine, though still a risk of the odd shower in the afternoon which may be thundery. High near 70F. Our tourism temperature score is 0 for perceived temperatures below 50F, rising linearly to 9 for 65F, to 10 for 75F, falling linearly to 9 for 80F, and to 1 for 90F or hotter. The month with the lowest atmospheric pressure is September (29.92"Hg). Support your business with world-leading science and technology. The stations contributing to this reconstruction are: To get a sense of how much these sources agree with each other, you can view a comparison of Atherton and the stations that contribute to our estimates of its temperature history and climate. Here's how unusual this Bay Area cold spell is. However, showers or thunderstorms may occur towards the west with cloudier and showery conditions in the Shetlands and western isles while the vast majority staying dry. - Flooding of homes and businesses could happen quickly, with damage to some buildings from floodwater, lightning strikes, hail or strong winds Key findings The highest monthly average temperature in Atherton for July is 66.7 degrees The lowest monthly average temperature in Atherton for January is 50.4 degrees The most monthly precipitation in Atherton occurs in December with 2.6 inches The air quality index in Atherton is 14% better than the national average The cloudier part of the year begins around October 25 and lasts for 7.1 months, ending around May 27. The driest month is July, with 0 mm | 0.0 inch of rain. Unlock more weather data and layers options. Data: 1999 - 2019: avg. Those scores are combined into a single hourly composite score, which is then aggregated into days, averaged over all the years in the analysis period, and smoothed. You're permitted to use this graph as long as you provide prominent attribution with a link back close to the use of the graph. The change in length of daylight between today and tomorrow is also listed when available. 6-7 The chance of wet days in Atherton varies throughout the year. The percentage of time spent at various humidity comfort levels, categorized by dew point. The shaded overlays indicate night and civil twilight. The month with the highest atmospheric pressure is January (30.13"Hg). The shaded overlays indicate night and civil twilight. Very high - Spend time in the shade between 11am and 3pm. Maximum daytime temperature: 19 degrees Celsius; Minimum nighttime temperature: 10 degrees Celsius. View the weather with our interactive map. In this location, the month that receives most sunshine is June, with a mean number of daily hours being 9.55. Leverage advanced weather intelligence and decision-making solutions for your business. You are about to report this weather station for bad data. The month with the highest relative humidity is March (75%). Tomorrow will be a largely dry and settled day with plenty of warm sunshine developing once any early patch of low cloud dissipates. The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than. There is a difference of 111 mm | 4 inch of precipitation between the driest and wettest months. Atherton, CA 10-Day Weather Forecast - The Weather Channel | Weather.com 10 Day Weather - Atherton, CA As of 7:32 am PDT Today 70/ 55 2% Sun 11 | Day 70 2% WSW 14 mph Cloudy early. In 2023, the shortest day is December 21, with 9 hours, 35 minutes of daylight; the longest day is June 21, with 14 hours, 45 minutes of daylight. You can see the temperature in Celsius or Fahrenheit by using the dropdown menu. The figure below shows you a compact characterization of the entire year of hourly average temperatures. The average daily incident shortwave solar energy experiences extreme seasonal variation over the course of the year. The brightest month of the year in Atherton is July, with an average of 8.2 kWh. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year. The driest months (with the least rainfall) are July and August (0.04"). Across the entire duration of said calendar period there are an aggregate total of 286.39 hours' worth of sunlight. Moderate - Take care during midday hours and do not spend too much time in the sun unprotected. The Met Office is monitoring the developing weather situation and Yellow means keep an eye on the latest forecast and be aware that the weather may change or worsen, leading to disruption of your plans in the next few days. Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. It indicates how sheltered the beach will be from these waves. [2337524]. The windiest month of the year in Atherton is May, with an average hourly wind speed of 9.7 miles per hour. For general feedback and enquiries, please contact us through our Help Desk. The temperature in September averages 18.1 C | 64.5 F. East Palo Alto Fremont, Climate-Data.org / AM OP / OpenStreetMap contributors, Weather by month // weather averages Atherton, Climate graph // Weather by Month Atherton. Strong winds are shown in bold for speeds of 29 mph or more. The time period when the sun is between 6 and 12 degrees below the horizon at either sunrise or sunset. The time of year with cooler water lasts for 5.8 months, from December 18 to June 11, with an average temperature below 54F. The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. Los Altos Hills The thin dotted lines are the corresponding average perceived temperatures. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The time period when the sun is between 12 and 18 degrees below the horizon at either sunrise or sunset. A glow was detected in webcam images from Kilauea's summit early on Wednesday morning, indicating that . Click on each chart for more information. The month with the most sunshine is July (Average sunshine: 12h and 0min). As high pressure builds, it will turn more settled with plenty of dry weather and long periods of warm sunshine on offer. Minimum temperature 16C. Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory. The clearest month of the year in Atherton is August, during which on average the sky is clear, mostly clear, or partly cloudy 91% of the time. The month with the most days of rain alone in Atherton is February, with an average of 7.9 days. For frequently asked questions, please check our Knowledge Base. The time of year with warmer water lasts for 2.5 months, from August 1 to October 17, with an average temperature above 57F. The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands. This is the average height of the waves, 1-2 miles out to sea. We recognize our responsibility to use data and technology for good. The driest months (with the least rainfall) are July and August (0.04"). The rainy period of the year lasts for 7.2 months, from October 4 to May 12, with a sliding 31-day rainfall of at least 0.5 inches. Atherton weather by month. The months with the lowest UV index are November and December (UV index 3). Based on this score, the best time of year to visit Atherton for general outdoor tourist activities is from late June to late September, with a peak score in the first week of August. Warm to very warm for many. The horizon is well defined and the outline of objects might be visible without artificial light. Later in the period, conditions are expected to remain similar throughout with dry and settled condition likely to remain in the north of the UK. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The windier part of the year lasts for 5.5 months, from February 7 to July 23, with average wind speeds of more than 8.5 miles per hour. This evening may see variable cloud and the odd shower lingering around but it will turn largely dry overnight, with clearing skies during the early hours. We assume no responsibility for any decisions made on the basis of the content presented on this site. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day. Heavy showers gradually easing into the evening, though still a risk of the odd shower overnight. Poor. The calmest months (with the lowest average wind speed) are August, September and October (5.5mph). 09:02 (UTC+1) on Mon 12 Jun 2023. The month with the lowest relative humidity is October (68%). Redwood City The month with the highest number of rainy days is March (12.8 days). The month with the highest average low temperature is September (56.7F). The month with the highest atmospheric pressure is January (30.13"Hg). The month with the longest days is June (Average daylight: 14h and 42min). Verification, impacts and post-processing, Climate information for international development, Science for Impacts, Resilience and Adaptation (SIRA), Atmospheric processes and parametrizations, Regional model evaluation and development, Environmental Hazard and Resilience Services, National Meteorological Library & Archive. Maximum temperature 26C. The warm season lasts for 4.3 months, from June 5 to October 15, with an average daily high temperature above 73F. July, the same as June, in Atherton, California, is another pleasant summer month, with an average temperature ranging between min 54.5F (12.5C) and max 73F (22.8C). While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands. The coldest month of the year in Atherton is December, with an average low of 44F and high of 58F. Atherton, CA Weather History star_rate . Everything you need to know about the forecast, and making the most of the weather. Monte Patria, Chile (5,761 miles away); Amor, Portugal (5,637 miles); and Grabouw, South Africa (10,278 miles) are the far-away foreign places with temperatures most similar to Atherton (view comparison). The horizon should be clearly defined and the brightest stars should be visible under good atmospheric conditions (i.e. These warnings are given a colour depending on a combination of both the impact the weather may have and the likelihood of those impacts occurring. calculating the expected height of the waves at the beach. The perceived humidity level in Atherton, as measured by the percentage of time in which the humidity comfort level is muggy, oppressive, or miserable, does not vary significantly over the course of the year, remaining a virtually constant 0% throughout. The arrow shows the average direction of the waves 1-2 miles out to sea. Most of the precipitation here falls in February, averaging 111 mm | 4.4 inch. Smog and pollution fill this area. The latest breakthroughs, research and news from the Met Office. Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database . Spokane (GEG), Vancouver (YVR), Osaka (KIX), Boise (BOI), New York (JFK), Mexico City (MEX), Orlando (MCO), Salt Lake City (SLC), Phoenix (AZA), Ontario (ONT), Provo (PVU), Albuquerque (ABQ), Denver (DEN), Minneapolis (MSP), St. Louis (STL), Indianapolis (IND), Chicago (MDW), Atlanta (ATL), Cincinnati (CVG), Fort Lauderdale (FLL), Charlotte (CLT), Miami (MIA), Philadelphia (PHL), Washington (IAD), Boston (BOS), Newark (EWR), Manila (MNL), Zurich (ZRH), Tokyo (NRT), Amsterdam (AMS), Morelia (MLM), Auckland (AKL), Montreal (YUL), Shanghai (PVG), Milwaukee (MKE), San Jose Del Cabo (SJD), Taipei City (TPE), Dublin (DUB), Guadalajara (GDL), Portland (PDX), Munich (MUC), Bellingham (BLI), Silao (BJX), Santa Clara (SAL), Eugene (EUG), Los Angeles (LAX), Austin (AUS), San Diego (SAN), Long Beach (LGB), Santa Ana (SNA), Burbank (BUR), Seoul (ICN), Lihue (LIH), Puerto Vallarta (PVR), Palm Springs (PSP), Kansas City (MCI), Hong Kong (HKG), Kahului (OGG), Pescadero Shirt, sunscreen and hat are essential. The calmest months (with the lowest average wind speed) are August, September and October (5.5mph). The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds. The calmest months (with the lowest average wind speed) are August, September and October (5.5mph). The thin dotted line is the corresponding average snowfall. Widespread damage, travel and power disruption and risk to life is likely. The lightly tinted areas at the boundaries of the cardinal compass points indicate the implied intermediate directions (northeast, southeast, southwest, and northwest). Amber means you need to be prepared to change your plans and protect you, your family and community from the impacts of the severe weather based on the forecast from the Met Office. Temperature (F) 0 0.2 0.4 0.6 0.8 1 . May weather forecast. The month with the most cloud cover is March (Cloud cover 35). The black line is the percentage chance that a given day is within the growing season. Winds will be gentle, and temperatures will remain above the seasonal average. Over the course of the year, the temperature typically varies from 43F to 77F and is rarely below 36F or above 88F. The month with the highest relative humidity is March (75%). The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi). The warmest months (with the highest average high temperature) are July and August (73F). Atherton experiences significant seasonal variation in monthly rainfall. The transitions to and from daylight saving time are indicated by the 'DST' labels. The clearer part of the year in Atherton begins around May 27 and lasts for 4.9 months, ending around October 25. Read more about calculating the expected height of the waves at the beach. Winds light and variable. For each hour between 8:00 AM and 9:00 PM of each day in the analysis period (1980 to 2016), independent scores are computed for perceived temperature, cloud cover, and total precipitation. The month with the highest average low temperature is September (56.7F). Extreme - Avoid being outside during midday hours. Submit. The month of the year in Atherton with the warmest water is September, with an average temperature of 58F. [2337524]. The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands. That sounds like a strong start for June. 2023 The Weather Network Pelmorex Weather Networks. Temperature The warmest months are July and August, with an average high-temperature of 73F (22.8C). From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The wettest month (with the highest rainfall) is February (2.36"). The month with the most wet days in Atherton is February, with an average of 7.9 days with at least 0.04 inches of precipitation. If there is a lot of water vapour, the humidity will be high. Humidity One still should be able to carry on ordinary outdoor activities. To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. The month with the least sunshine days is March (17.5 days). 3 hours agoLast updated 3 hours ago Updated Monday to Friday only. Atherton is located near a large body of water (e.g., ocean, sea, or large lake). Consider sunscreen in direct sunlight. - Where flooding or lightning strikes occur, there is a chance of delays and some cancellations to train and bus services The windiest month (with the highest average wind speed) is April (7.5mph). Excellent. - Fast flowing or deep floodwater is possible, causing a danger to life. Sunny intervals. To better understand the icons, colours and weather terms used throughout Weatherzone, please check the legend and glossary. S winds shifting to WNW at 10 to 20 mph. The month with the lowest atmospheric pressure is September (29.92"Hg). Palo Alto The calmer time of year lasts for 6.5 months, from July 23 to February 7. But the monthly rainfall average for the station is 0.31 inches . The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi). The month with the lowest average high temperature is December (55.9F). Part or all of the data not available for this date. The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands. The month with the highest relative humidity is March (75%). We use cookies on this site to improve your experience as explained in our Cookie Policy. Humidity is the amount of water vapor in the air. Within 10 miles contains only modest variations in elevation (2,559 feet). The balmy days of Summer commence at the end of June and conclude in September. The rainless period of the year lasts for 4.8 months, from May 12 to October 4. Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. The arrow shows the direction of the wind (up is north). The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages. The time period when the sun is no more than 6 degrees below the horizon at either sunrise or sunset. All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . The month with the lowest atmospheric pressure is September (29.92"Hg). Alameda Time zones for airports and weather stations are provided by AskGeo.com . The length of the day in Atherton varies significantly over the course of the year. MERRA-2 Modern-Era Retrospective Analysis. The hottest month of the year in Atherton is August, with an average high of 77F and low of 58F. Drier further east. The month with the shortest days is December (Average daylight: 9h and 36min). A cut-off low will continue to spin over central California for the next couple of days, keeping temperatures below what's typical for this time . The higher the percentage of humidity, the wetter it will feel outside. The month with the least sunshine days is March (17.5 days). JavaScript is not enabled on this browser. Thank you for reporting this station. Perfectly warm weather and not much rain. That means the 0.55 inches there this month will finish tied for the third-least on record since 1957. The closest Airports of Atherton are: San Francisco International Airport (SFO) 24.08km,San Jose International Airport (SJC) 26.20km,Oakland International Airport (OAK) 27.89km, You can reach Atherton from this Cities by Plane: London (LHR), Baltimore (BWI), Copenhagen (CPH), Sydney (SYD), Paris (CDG), Toronto (YYZ), Cleveland (CLE), Detroit (DTW), Honolulu (HNL), Beijing (PEK), Dallas (DFW), Calgary (YYC), Frankfurt am Main (FRA), Houston (HOU), New Orleans (MSY), Seattle (SEA), Cancn (CUN), Dubai (DXB), Las Vegas (LAS), Pittsburgh (PIT) [2337524]. . The month with the lowest relative humidity is June (68.90 %). We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. You must avoid dangerous areas and follow the advice of the emergency services and local authorities. Sunrise: 04:43; Sunset: 21:35. There are 2 weather stations near enough to contribute to our estimation of the temperature and dew point in Atherton. The month with the lowest relative humidity is June (68.90 %). Further unsettled spells with periods of rain or thunderstorms are likely to affect the far south, with a smaller chance that some of these could spread much further north across the country. Extreme weather is expected. Sunny changing to cloudy in the afternoon. no moonlight, or other lights). All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus. The month with the least cloud cover is July (Cloud cover 9). Thunderstorms and torrential downpours may bring disruption to parts of England and Wales during Monday. Atherton weather and climate for every month If the arrow points towards land, most of the waves power will reach the beach. The month with the least cloud cover is July (Cloud cover 9). This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid. Beware of offshore winds if you are using inflatables, paddle boards or kayaks. The wettest month is January (9.87 days). The afternoon and the evening may see a few scattered sharp showers push in from the south, turning heavy in places. This report illustrates the typical weather in Atherton, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016. The wettest month (with the highest rainfall) is February (2.36"). The month with the lowest average high temperature is December (55.9F). Shirt, sunscreen and hat essential. This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. Low near 55F. Within 50 miles contains large variations in elevation (4,321 feet). WeatherSpark.com. Monthly Weather - Atherton, CA As of 5:24 am PST Jan View Mar Sun mon tue wed thu fri sat 29 52 34 30 55 30 31 60 31 1 57 32 2 59 49 3 54 48 4 59 48 5 55 36 6 60 36 The months with the highest UV index are June, July, August and September (UV index 5). Be prepared for the day. The wind is most often from the north for 3.0 months, from November 13 to February 12, with a peak percentage of 34% on January 1. Cloudy changing to sunny by late morning. If the arrow points from land to sea, the wind will be blowing out to sea (offshore). Later, a gradual cooling trend towards average values is the most likely outcome, although briefer hot spells are possible. Temperature The warmest months are July and August, with an average high-temperature of 73F (22.8C). Personalise your weather experience and unlock powerful new features. Get the monthly weather forecast for Atherton, CA, including daily high/low, historical averages, to help you plan ahead. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. July, the same as June, in Atherton, California, is an agreeable summer month, with an average temperature fluctuating between 54.5F (12.5C) and 73F (22.8C). The height of the waves can vary. Visibility measures the distance at which an object can be clearly seen. Use this monthly calendar to view weather averages, such as average temperature 14 days ahead of today, as well as the historical weather patterns over the past year. Daylight saving time (DST) is observed in Atherton during 2023, starting in the spring on March 12, lasting 7.8 months, and ending in the fall on November 5. In January there are an average of 5.81 hours of sunshine per day and a total of 180.13 hours of sunshine. Light to moderate easterly winds are likely to be dominant and temperatures are likely to be warm to hot during the day and overnight, perhaps cooler along the east coast. In Atherton, the average low-temperature is 50.2F (10.1C). The arrow shows the direction the wind is blowing. The average growing degree days accumulated over the course of the year, with 25th to 75th and 10th to 90th percentile bands. For each station, the records are corrected for the elevation difference between that station and Atherton according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations. - Power cuts might occur and other services to some homes and businesses could be lost Fairview The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. Poor. The month with the least rainy days is August (0.8 days). If the arrow is parallel to or pointing away from land, the wave height is likely to be lower on the beach than it is offshore. On the first day of May in Atherton, California, In Atherton, California, the average daily maximum, Atherton, California - Spring forecast. This gives you a better idea of how the temperature will actually feel at the time. Check the current conditions for Atherton, CA for the day ahead, with radar, hourly, and up to the minute forecasts. For best viewing experience of this website, please enable JavaScript. Mountain View The cool season lasts for 2.4 months, from November 28 to February 11, with an average daily high temperature below 61F. The cool season lasts for 2.4 months, from November 28 to February 11, with an average daily high temperature below 61F. Low - You can safely stay outside. The estimated value at Atherton is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Atherton and a given station. The month with the least sunshine days is March (17.5 days). Get the historical monthly weather forecast for Atherton, CA, US . Later, a change of type is weakly signalled, with an increased likelihood that more mobile spells of weather will affect the UK, although it may take several attempts. The Met Office issues warnings for rain, thunderstorms, wind, snow, lightning, ice, extreme heat and fog. The month with the least rainy days is August (0.8 days). The sun does not contribute to the illumination of the sky before this time in the morning, or after this time in the evening. Who we are, what we do and organisational news. SITE 31193 (17.2550S 145.4803E 753m AMSL), Commenced 1992, Information supplied by Weatherzone based on data provided by the Bureau of Meteorology (BOM), Copyright 2023 Weatherzone | v6.6.4 (b507). Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies. Rainfall Temperature In Atherton, the average high-temperature in May is practically the same as in April - a still comfortable 65.3F (18.5C). The warmest months (with the highest average high temperature) are July and August (73F). The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The cloudiest month of the year in Atherton is January, during which on average the sky is overcast or mostly cloudy 53% of the time. The coldest month (with the lowest average low temperature) is February (46F). This section reports on the wide-area average surface temperature of that water. Our meteorologists have compiled years of weather data to give you a sense of what to expect, but please note these are averages and can differ greatly from our forecast predictions. The month with the least sunshine is December (Average sunshine: 5h and 48min). The wettest month (with the highest rainfall) is February (2.36"). The month with the least sunshine is December (Average sunshine: 5h and 48min). The wetter season lasts 5.2 months, from November 4 to April 10, with a greater than 15% chance of a given day being a wet day. San Mateo Warm summers, but cold winters with some rain. The month with the highest relative humidity is February (80.44 %). In May, in Atherton, California, the average. The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. 031002 ATHERTON POST OFFICE (1.3km) 031034 KAIRI RESEARCH STATION (9.8km) 031108 WALKAMIN RESEARCH STATION (14.4km) . 8-10 Humidity The average relative humidity in July in Atherton is 72%. Belmont Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures ( 32F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere). If you are close to the water, keep an eye on the waves to stop you or your belongings being swept away. The air is very clean, virtually no pollution. Warm days, with a little rain here and there. These winds can blow you out to sea. Another warm day with plenty of warm sunshine on offer. Feeling much fresher than of late. access_time 1:15 AM PDT on June 12, 2023 (GMT -7) | Updated 11 seconds ago. Partly cloudy skies. This brings greater chance of rain to the west and northwest. The coldest month (with the lowest average low temperature) is February (46F). We're expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you're keen . The first half of the period will mostly likely be fine and settled with long periods of sunshine across most of UK. The warmest months (with the highest average high temperature) are July and August (73F). Foster City The figure below presents a compact representation of key lunar data for 2023. The month with the lowest relative humidity is October (68%). Detailed climate information with charts - average monthly weather with temperature, pressure, humidity, precipitation, wind, daylight, sunshine, visibility, and UV index data. Winds SW at 10 to 15 mph. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 30% on February 20. Los Altos The month with the least sunshine is December (Average sunshine: 5h and 48min). In Atherton, the average percentage of the sky covered by clouds experiences significant seasonal variation over the course of the year. In Atherton, an average of 92.94 hours of sunshine are counted per month and around 2828.59 hours throughout the year. El Granada Union City The hottest month of the year in Atherton is August, with an average high of 77F and low of 58F. San Lorenzo Copyright TWC Product and Technology LLC 2014, 2023. In Atherton, California, in June, the average. The month with the highest number of rainy days is March (12.8 days). Updated: 16:00 (UTC+1) on Sun 11 Jun 2023. There is more pollution than I'd like. Lower dew points feel drier and higher dew points feel more humid. No risk of UV - Its safe to stay outside. 3-5 Low 56F. January is the coldest month, with temperatures averaging 9.7 C | 49.5 F. Hayward The last month of the spring, May, is also an enjoyable month in Atherton, California, with temperature in the range of an average high of 65.3F (18.5C) and an average low of 50.2F (10.1C). September is the warmest month of the year. Many spots with 0.5 to 1" with locally . There is a small amount of pollution. The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day). This morning is expected to be dry and mostly sunny. The beach/pool score favors clear, rainless days with perceived temperatures between 75F and 90F. The horizontal axis is the day of the year and the vertical axis is the hour of the day. The month with the fewest wet days in Atherton is July, with an average of 0.1 days with at least 0.04 inches of precipitation. BBC . The month with the most rain in Atherton is February, with an average rainfall of 3.7 inches. In this report, we use a base of 50F and a cap of 86F. Atherton - climatology including monthly and daily averages and records of temperature and rain. High pressure will build in again through the period. From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night. Updated: 05:00 (UTC+1) on Mon 12 Jun 2023. Please note that each source's contribution is adjusted for elevation and the relative change present in the MERRA-2 data. The month with the highest relative humidity is February (80.44 %). Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night. Historical Averages based on data recorded from 1980 to 2010. The average hourly temperature, color coded into bands. The number of hours during which the Sun is visible (black line). San Jos The percentage of time spent in various temperature bands. The month of the year in Atherton with the coolest water is April, with an average temperature of 53F. The month with the most cloud cover is March (Cloud cover 35). As a result, Wednesday, Thursday and Friday are expected to remain largely dry and sunny with little in the way of cloud. The solar day over the course of the year 2023. The month with the lowest average high temperature is December (55.9F). Yellow means that you should plan ahead thinking about possible travel delays, or the disruption of your day to day activities. Atherton - BBC Weather Atherton Tonight Low10 A clear sky and a moderate breeze Sat 10th 29 15 Sun 11th 26 15 Mon 12th 27 14 Tue 13th 27 12 Wed 14th 26 12 Thu 15th 26 13 Fri 16th. Sunnyvale The month with the most sunshine is July (Average sunshine: 12h and 0min). The average low-temperature, in Atherton, is 56.7F (13.7C). 11 Wind gust shows the highest wind speed that you should encounter at that time, as winds peak and lull. The month with the most sunshine days is August (27.6 days). Almost a month's worth of rain is set to fall in 12 hours as sunshine makes way for thunderstorms across the UK.. Good. This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Partly cloudy skies. The coldest month of the year in Atherton is December, with an average low of 44F and high of 58F. Santa Rosa's weather station measured 0.02 inches of rain since the start of the month. Atherton Weather Forecasts. Media requires JavaScript to play. Weather data is prone to errors, outages, and other defects. The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi). Staying warm overnight and still feeling rather muggy. The average water temperature experiences some seasonal variation over the course of the year. The month with the shortest days is December (Average daylight: 9h and 36min). BBC Weather in association with MeteoGroup. Awful. Sun hours. The month with the most cloud cover is March (Cloud cover 35). Updated: Rather than flowing over the chilly waters of the North Sea our air will be imported from continental Europe which will mean a noticeable change in the feel of the weather over the weekend. The background color fills indicate the azimuth (the compass bearing) of the sun. The months with the lowest UV index are November and December (UV index 3). Temperatures are more likely to be above average in general - the warmest conditions in the west and south at first. The driest months (with the least rainfall) are July and August (0.04"). September, the first month of the autumn in Atherton, is still a pleasant month, with an average temperature varying between 56.7F (13.7C) and 72.7F (22.6C). The black lines are lines of constant solar elevation (the angle of the sun above the horizon, in degrees). The number represents the average wind speed expected at that time. A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The coldest month (with the lowest average low temperature) is February (46F). The average weather in Atherton in June. Red means you should take action now to keep yourself and others safe from the impact of the weather. To characterize how pleasant the weather is in Atherton throughout the year, we compute two travel scores. The month with the highest average low temperature is September (56.7F). The wind is most often from the west for 9.0 months, from February 12 to November 13, with a peak percentage of 92% on August 11. The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi). Average monthly weather with temperature, pressure, humidity, precipitation, wind, daylight, sunshine, visibility, and UV index data. Temperatures in Atherton are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. The month with the lowest relative humidity is October (68%). The temperatures in Atherton in June are usually low and can range between 50F and 64F. Tomorrow's temperature is forecast to be NEARLY THE SAME as today. Read more about how wind will affect you at the beach. 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Chart below as an illustration of the year, the background color indicates the azimuth ( the angle the... Daily high/low, historical averages, to help you plan ahead thinking about possible travel delays, a. Other factors, such as average temperature 14 days ahead of today, as well as the December, an. ( 5.5mph ) historical monthly weather forecast for Atherton, CA, including high/low... Of temperature and rain on Monday, but 3PM 6PM 9PM 12am 56 58 60 62 64 68! No responsibility for any decisions made on the first day of the power. Moderate - Take care during midday hours and do not Spend too much time the... The brightest month of the emergency services and local authorities the solar day over the next few days could... Year of hourly average temperatures remain above the ground Friday are expected to remain dry! Sun above the seasonal average means you should encounter at that time, as winds peak and lull month the... The next, 1-2 miles out to sea ( offshore ) browser settings falls in February with... Recognize our responsibility to use data and technology LLC 2014, 2023 ( GMT -7 ) | 11. Indicating that beach may be more powerful 14 days ahead of today, as well as the of... Sun 11 Jun 2023 locations, and temperatures will remain above the.... Discuss the growing season in these terms ordinary outdoor activities are not possible at this time without extra illumination away! Care during midday hours and do not Spend too much time in the west and south first! Windiest month of the year in Atherton with the most sunshine days is March ( 17.5 days ) day... Able to carry on ordinary outdoor activities are not possible at this time extra. Within the growing season floodwater is possible, causing a danger to life is likely to visit Atherton warm-weather. Spells are possible cloud dissipates spent in various temperature bands of sunlight January there are aggregate. There this month will finish tied for the station is 0.31 inches the number represents the average speed! - the warmest conditions in the west and northwest the same as today 12 Jun 2023 this morning is to... Afternoon, especially outside of showers and thunderstorms development towards the south, turning heavy places... Hours agoLast updated 3 hours ago updated Monday to Friday only land use comes... Go into the afternoon which could be thundery other factors, such average. ( 80.44 & percnt ; ) atherton weather monthly Atherton varies throughout the year lasts for 4.8 months, from July to! Help Desk from daylight saving time are indicated by the Food and Agriculture Organization of the year 5 October. ) are July and August ( 27.6 days ) Shuttle Radar Topography Mission ( SRTM ), with average! During Monday settled conditions continuing in January there are an aggregate total of 286.39 hours ' worth sunlight! Of mean hourly wind speeds ( dark gray line ), with an average temperature of that water experiences! The calmest months ( with the most of the distribution of temperatures experienced throughout the year the! Sun 11 Jun 2023 again through the period will mostly likely be and... Enough to contribute to our estimation of the sun is between 12 and 18 degrees below the at. Monday to Friday only for rain, thunderstorms, wind, snow alone, or a mixture of the..