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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 38.45°N 122.41°W (Text-Only)
NWS Forecast for: 4 Miles SE Saint Helena CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Last Update: 1:26 pm PDT Jun 29, 2026		Print

  • Tonight

    Tonight: Mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 86 °F

    Sunny

  • Tuesday
    Night

    Tuesday Night: Increasing clouds, with a low around 51. South wind around 5 mph becoming calm in the evening.

    Low: 51 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 85. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 85 °F

    Becoming
    Sunny

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 50. Southwest wind around 6 mph becoming calm in the evening.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Thursday
    Night

    Thursday Night: Patchy fog after 1am. Otherwise, mostly clear, with a low around 51.

    Low: 51 °F

    Clear then
    Patchy Fog

  • Friday

    Friday: Areas of fog before 8am. Otherwise, sunny, with a high near 87.

    High: 87 °F

    Areas Fog
    then Sunny

  • Friday
    Night

    Friday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 54.

    Low: 54 °F

    Clear then
    Patchy Fog

    • Tonight: Mostly clear, with a low around 55. Calm wind.

    Tuesday: Sunny, with a high near 86. Calm wind becoming south 5 to 7 mph in the afternoon.

    Tuesday Night: Increasing clouds, with a low around 51. South wind around 5 mph becoming calm in the evening.

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 85. Calm wind becoming south southwest around 5 mph in the afternoon.

    Wednesday Night: Mostly clear, with a low around 50. Southwest wind around 6 mph becoming calm in the evening.

    Thursday: Mostly sunny, with a high near 81.

    Thursday Night: Patchy fog after 1am. Otherwise, mostly clear, with a low around 51.

    Friday: Areas of fog before 8am. Otherwise, sunny, with a high near 87.

    Friday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 54.

    Independence Day: Sunny, with a high near 89.

    Saturday Night: Patchy fog. Otherwise, partly cloudy, with a low around 53.

    Sunday: Patchy fog. Otherwise, mostly sunny, with a high near 86.

    Sunday Night: Patchy fog. Otherwise, partly cloudy, with a low around 53.

    Monday: Mostly sunny, with a high near 85.


    4 Miles SE Saint Helena CA
     38.45°N 122.41°W (Elev. 157 ft)

    Visit your local NWS office at: https://www.weather.gov/mtr