Intervals of clouds and sunshine in the morning with more clouds for later in the day. Detailed wind speed and wind direction information as well as interactive graphs for winds St Helena Wind Forecast, CA 94574 - WillyWeather St Helena weather forecast updated daily. Partly sunny, with a high near 58. Very mild (max 12°C on Thu morning, min 6°C on Fri night). Otherwise, mostly cloudy, with a low around 38. Mostly cloudy, with a high near 57. The warmest sea temperature in Saint Helena today is 20.1°C/68.2°F, and the coldest sea temperature today is 20.1°C/68.2°F. Viator; Airbnb; ALL; Expedia; Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec. View the latest weather forecasts, maps, news and alerts on Yahoo Weather. high temp. Patchy fog. Sunrise 7:17 am. St. Helena has dry periods in May, June, July, August and September. Day Sunny haze. 203 ft) Last Update: 4:02 am PST Dec 1, 2020. Based on the tourism score, the best time of year to visit Saint Helena for warm-weather activities is from late June to mid September. Viator; Airbnb; ALL; Expedia; Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec. Find the most current and reliable 7 day weather forecasts, storm alerts, reports and information for [city] with The Weather Network. Read More >, Local Forecast OfficeMore Local Wx3 Day HistoryMobile WeatherHourly Weather Forecast, Heavy Rainand PatchyFog thenShowersLikely, Zone Area Forecast for North Bay Interior Valleys, CA. Please try another search. Forecast Valid: 8am PST Dec 1, 2020-6pm PST Dec 7, 2020. Calm wind becoming west southwest around 6 mph in the afternoon. Increasing clouds, with a low around 36. Calm wind becoming west southwest around 6 mph in the afternoon. 71.1 ºF -Highest min temperature Highest min temp. Patchy fog before 1am, then patchy fog after 2am. Calm wind. Get the forecast for today, tonight & tomorrow's weather for St. Helena, CA. All NOAA, A storm tracking across the southern U.S. Sunday will continue heavy snow over a portion of the southern Plains with heavy rain and thunderstorms further East on Monday. 24°C sea temperature; Recommended for St Helena & Islands. Showers, mainly before 4pm. A 40 percent chance of rain after 10am. New precipitation amounts between a quarter and half of an inch possible. The January 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. High near 58. Read More >, Local Forecast OfficeMore Local Wx3 Day HistoryMobile WeatherHourly Weather Forecast, Heavy Rainand PatchyFog thenShowersLikely, Zone Area Forecast for North Bay Interior Valleys, CA. St. Helena, CA Weather Forecast and Current Weather - Temperature, Rain, Snow, and other weather conditions Increasing clouds, with a low around 36. Showers, mainly before 4pm. 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). A Pacific cold front will sweep into the Northwest and north-central California Sunday with more rain and mountain snow. Patchy frost after 5am. Calm wind. NWS A major winter storm may impact portions of the Mid-Atlantic and Northeast midweek. Sorry, the location you searched for was not found. St Helena, CA - Get the very latest weather forecast, including hour-by-hour views, the 10-day outlook, temperature, humidity, precipitation for your area. A chance of rain. Patchy frost before 9am. 99.0 ºF -Lowest max temperature Lowest max temp. The lowest temperature reading has been 37.04 degrees fahrenheit at 5:53 AM, while the highest temperature is 64.94 degrees fahrenheit at 12:53 PM. Calm wind. UV Index 2 of 10. 62.1 ºF - Hi/Low, RealFeel®, precip, radar, & everything you need to be ready for the day, commute, and weekend! January is the coldest month, with an average high-temperature of 56.7°F (13.7°C) and an average low-temperature of 36.3°F (2.4°C). Point Forecast: Saint Helena CA. The coldest month is December with an average maximum temperature of 12°C (53°F). Today’s and tonight’s St. Helena, CA weather forecast, weather conditions and Doppler radar from The Weather Channel and Weather.com A Pacific cold front will sweep into the Northwest and north-central California Sunday with more rain and mountain snow. Winters are cool and wet, while summers have hot days and cool nights with little precipitation. Partly sunny, with a high near 58. Otherwise, partly cloudy, with a low around 36. Patchy frost before 9am. Average temperatures in December, the coldest month, range from 57 °F (14 °C) to 38 °F (3 °C). You can choose the units of measurement for displaying data - in Celsius or Fahrenheit. 6am PST Dec 13, 2020-6pm PST Dec 19, 2020, Coastal Flood Advisory in effect from December 13, 07:00 AM PST until December 15, 01:00 PM PST, Excessive Rainfall and Winter Weather Forecasts, Federal Emergency Management Agency (FEMA), National Oceanic and Atmospheric Administration. A major winter storm may impact portions of the Mid-Atlantic and Northeast midweek. Saint Helena 5 day forecast with weather outlook providing day and night summary including precipitation, high and low temperatures presented in Fahrenheit and Celsius, sky conditions, rain chance, sunrise, sunset, wind chill, and wind speed with direction. Patchy fog before 1am, then patchy fog after 2am. Multiple locations were found. Night Mostly clear. How many days does it rain in Saint Helena? A 20 percent chance of showers before 10pm. Calm wind. NWS Calm wind. 23°C sea temperature; Recommended for St Helena & Islands. 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. Saint Helena, CA - Weather forecast from Theweather.com. Otherwise, partly cloudy, with a low around 36. Sorry, the location you searched for was not found. Very mild (max 16°C on Tue morning, min 9°C on Wed afternoon). 88.0 ºF: 86 ºF: Average low temperature Av. Calm wind. Weather conditions with updates on temperature, humidity, wind speed, snow, pressure, etc. Otherwise, partly sunny, with a high near 59. A 40 percent chance of rain after 10am. Change Location . Otherwise, partly sunny, with a high near 59. Multiple locations were found. Otherwise, partly sunny, with a high near 59. The last month of the autumn, November, is also an enjoyable month in Saint Helena, California, with temperature in the range of an average low of 40.3°F (4.6°C) and an average high of 66.2°F (19°C). A chance of rain, mainly before 10am. 4%. See the current St. Helena, CA weather and a 5 day forecast. The temperature can reach 34°C in Jamestown on a sunny day, though you won’t swelter due to the wind. In Saint Helena, the summers are long, hot, arid, and mostly clear and the winters are short, cold, wet, and partly cloudy. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the St Helena area. Chance of precipitation is 100%. Patchy fog between 10am and 11am. The warmest month is July with an average maximum temperature of 33°C (92°F). 38.51°N 122.46°W (Elev. Saint Helena, CA temperatures for today from 11:00 PM to 1:53 PM Sun, Dec 6th 2020. Light and variable wind. St Helena Weather Forecasts. 56 F Charles M. Schulz … Temperature: 34.0 F (1.1 C) Dew Point: 32.0 F (0.0 C) The rain could be heavy at times. The rain could be heavy at times. Patchy fog. Otherwise, sunny, with a high near 59. Mostly cloudy, with a high near 57. Patchy fog between 10am and 11am. 6am PST Dec 13, 2020-6pm PST Dec 19, 2020, Coastal Flood Advisory in effect from December 13, 07:00 AM PST until December 15, 01:00 PM PST, Excessive Rainfall and Winter Weather Forecasts, Federal Emergency Management Agency (FEMA), National Oceanic and Atmospheric Administration. Haze and areas of smoke in the evening. 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 … A 20 percent chance of showers before 10pm. 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 . If you have any questions or concerns with the new experience, please contact us at 1-888-930-5753 or email [email protected] Patchy fog. Please select one of the following: Coastal Flood Advisory December 13, 07:00am until December 15, 01:00pm. W 6 mph. 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