Chance of rain 70%. We will review the data in question. St Helena weather forecast updated daily. The average high during this season is between 64.3°F (17.9°C) and 57.1°F (13.9°C). Ordinary outdoor activities are not possible at this time without extra illumination. National Weather Service San Diego CA. You are about to report this weather station for bad data. Periods of rain. Temperature; Rainfall; Swell Height; Tide Height; Wind Speed; Distance; Pressure; 2 Now. Precipitation is the lowest in July, with an average of 2 mm | 0.1 inch. The temperature can reach 34°C in Jamestown on a sunny day, though you won’t swelter due to the wind. Forecasts are available worldwide. The horizon is well defined and the outline of objects might be visible without artificial light. Recently searched locations will be displayed if there is no search query. St. Helena, CA Severe Weather Alert star_ratehome. The March weather guide for St Helena, St Helena & Islands shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute.Find out more about our data sources. St. Helena Is. The time period when the sun is between 6 and 12 degrees below the horizon at either sunrise or sunset. At an average temperature of 21.7 °C | 71.1 °F, July is the hottest month of the year. The time period when the sun is between 12 and 18 degrees below the horizon at either sunrise or sunset. The first option will be automatically selected. Pressure (altimeter): … × Tomorrow's Weather Forecast for St. Helena including an hourly forecast, humidity, wind, precipitation, and satellite map from weatherfarm.com. St. Helena, CA Weather. One still should be able to carry on ordinary outdoor activities. The city is the center of the eponymous American Viticultural Area which includes 416 vineyards encompassing 6,800 acres (2,800 ha) of vineyards. Democratic Republic of the Congo | Français, State of Vatican City (Holy See) | Italiano. Viator; Airbnb; ALL; Expedia; Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec. 37.69°S 145.13°E 89m AMSL. Saint Helena Weather set as local. Wind Forecast NOAA; Wind Real-Time ; St Helena wind forecast issued today at 2:29 am. We recognize our responsibility to use data and technology for good. Mount Saint Helena Weather (Days 6-9): Mild with light rain (total 7mm) on Sun morning Becoming colder with a light covering of snow, mostly falling on Tue afternoonFreeze-thaw conditions (max 8°C on Sun morning, min -2°C on Tue morning)Winds decreasing (near gales from the WSW on Sun morning, light winds from the N by Tue night). 2:29 pm. Find local weather forecasts for St. Helena, United States throughout the world The time of Civil Sunset minus the time of Civil Sunrise. We will review the data in question. Weather Wind Rainfall Sun Moon UV Tides Swell More. Tonight: 9°C: Tomorrow: 20°C: late_shower . no moonlight, or other lights). Sky conditions: clear. Overview Livability Real Estate Rentals Demographics. 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The current weather report for Saint Helena CA, as of 2:53 AM PST THU DEC 3 2020, has a sky condition of Fair with the visibility of 9.00 miles. 7 day weather forecast including weather warnings, temperature, rain, wind, visibility, humidity and UV 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 sun does not contribute to the illumination of the sky before this time in the morning, or after this time in the evening. We recognize our responsibility to use data and technology for good. Weather: mist. 8250 Wed; 8347 Thu; 6338 Fri 20%; 6437 Sat; 6236 Sun; day night Weather update from Santa Rosa, Santa Rosa Sonoma County Airport at 2020-11-04T08:53:00+00:00. Thank you for reporting this station. Winds light and variable. Hi/Low, RealFeel®, precip, radar, & everything you need to be ready for the day, commute, and weekend! Saint Helena Climate graph // Weather by Month. Please select the information that is incorrect. WillyWeather 67,230 . Unit Settings Measurement preferences are saved. TODAY NOV04. Take control of your data. Take control of your data. Find the most current and reliable 7 day weather forecasts, storm alerts, reports and information for [city] with The Weather Network. Forecast This forecast is based on the GFS model. St Helena Weather Forecasts. Low 37F. Find the most current and reliable 14 day weather forecasts, storm alerts, reports and information for Saint Helena, CA, US with The Weather Network. 5 Day, 7 Day, 7 Day Weather Forecast and Current Weather Observations for St Helena, California with Current Weather Conditions Including Temperature, Pressure, Wind, and Precipitation, Rainfall, Snowfall Forecast for St Helena, CA. Saint Helena, CA severe weather warnings, watches and advisories as immediately issued by the National Weather Service. Here are some average weather facts we collected from our historical climate data: During the month of April and October you are most likely to experience good weather with pleasant average temperatures that fall between 20 degrees Celsius (68°F) and 25 degrees Celsius (77°F). Dec 02, 2020 - 07:16 AM EST / 2020.12.02 1216 UTC. access_time 3:23 AM PST on December 13, 2020 (GMT -8) | Updated 43 seconds ago. Weather; Wind; Rainfall; Sun; Moon; UV; Tides; Swell; Warnings; Maps; Graphs; St Helena Wind Forecast. St. Helena (/ h ə ˈ l iː n ə / hə-LEE-nə; Wappo: Anakotanoma, "Bull Snake Village") is a city in Napa County, in California's Wine Country, part of the North Bay region of the San Francisco Bay Area.The population was 5,814 at the 2010 census.. Tomorrow's temperature is forecast to be WARMER than today. If you are having trouble, please contact Customer Service at [email protected], or by phone at 1-800-665-1362.Our business hours are 8:00am to 4:00pm CST. Report Station. Today’s and tonight’s St. Helena, CA weather forecast, weather conditions and Doppler radar from The Weather Channel and Weather.com Weather is too cold this time of year in St Helena to be enjoyable for warm weather travelers. Thank you for reporting this station. The time period when the sun is no more than 6 degrees below the horizon at either sunrise or sunset. View the latest weather forecasts, maps, news and alerts on Yahoo Weather. St. Helena, CA Weather Follow. Current conditions, warnings and historical records . Chance of rain 90%. In Saint Helena, the summers are long, hot, arid, and mostly clear and the winters are short, cold, wet, and partly cloudy. local weather; Melbourne district; radar; satellite; synoptic; Forecast. The barometric pressure is 30.19 - measured by inch of mercury units - and is rising since its last observation. Observations. 25°C sea temperature; Recommended for St Helena & Islands. © Copyright TWC Product and Technology LLC 2014, 2020. Type at least three characters to start auto complete. Viator; Airbnb; ALL; Expedia; Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec. St. Helena, CA climate is warm during summer when temperatures tend to be in the 70's and cold during winter when temperatures tend to be in the 40's. Winds SSW at 5 to 10 mph. See the weather for Saint Helena, California with the help of our live and local weather cameras. The best time of year to visit St. Helena in United States of America. NOAA weather radar, satellite and synoptic charts. Considerable cloudiness with occasional rain showers. 86 F St. Helena Station | Report. Use escape to clear. Be prepared with the most accurate 10-day forecast for St. Helena, CA with highs, lows, chance of precipitation from The Weather Channel and Weather.com Average Weather in Saint Helena California, United States. United States; CA; Napa County; St Helena; 1-Day 3-Day 5-Day. Check out the weather around the world with our featured, global weather cams Visibility: 1 3/4 mile(s):0. Winds light and variable. Graph Plots Open in Graphs. St. Helena, CA Current Weather Conditions. It is never particularly hot (as it often is in Southern California) and it is never particular cold (as it can be in some of the more mountains regions of the state). Let us know how you use weather information and forecasts to help manage decisions about your pet. Now 11.2°C Updated at 21:30 EST. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the St Helena area. forecast graphs; 28-day rain; pollen index; UV index; tides; marine; Viewbank Forecast. Monthly averages Saint Helena Longitude: -122.47, Latitude: 38.51 Average weather Saint Helena, CA - 94574. The horizon should be clearly defined and the brightest stars should be visible under good atmospheric conditions (i.e. This is the wind, wave and weather forecast for Mount Saint Helena in California, United States. Get the forecast for today, tonight & tomorrow's weather for St. Helena, CA. The February weather guide for St Helena, St Helena & Islands shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute.Find out more about our data sources. SANTA ROSA SONOMA COUNTY, CA, United States (KSTS) 38-30N 122-49W 39M. On average, it rains or snows a fair amount: 5 to 9 times per month. In January, the precipitation reaches its peak, with an average of 191 mm | 7.5 inch. St Helena is in the Southern Hemisphere, north of the Tropic of Capricorn, which means the midday sun is directly overhead during the summer (see the article ‘ The shortest and longest days ’ below). © Copyright TWC Product and Technology LLC 2014, 2020. Mostly clear skies. Demographics. Wind: Calm:0. Saint Helena average temperature. Rainfall near a quarter of an inch. St. Helena, CA Weather Forecast and Current Weather - Temperature, Rain, Snow, and other weather conditions Expect occasional rain to continue for the next several hours. Use up and down arrows to change selection. Hazardous Weather Conditions Wind Advisory in effect from December 6, 11:00 PM PST until December 7, 11:00 AM PST Red Flag Warning in effect from December … The change in length of daylight between today and tomorrow is also listed when available. TEMPERATURE: 48: HUMIDITY: 100: PRESSURE: 30.15: WIND COND. Monthly: 1981-2010 normals St Helena, CA - Get the very latest weather forecast, including hour-by-hour views, the 10-day outlook, temperature, humidity, precipitation for your area. Over the course of the year, the temperature typically varies from 36°F to 90°F and is rarely below 27°F or above 100°F. Saint Helena is located in Northern California, a place which many people agree has some of the best weather in the entire world. High 58F. 24°C sea temperature; Recommended for St Helena & Islands. Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution. St. Helena, California - Travel and vacation weather averages, current conditions and forecasts. The time of Actual Sunset minus the time of Actual Sunrise. Low around 45F. Station Data. synoptic; past 24 hours; this month; averages; Current. Key findings . These times of year are fairly slow with tourists. 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