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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 38.5°N 122.98°W (Text-Only)
NWS Forecast for: Guerneville CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Last Update: 1:26 am PDT Jun 30, 2026		Print

  • Today

    Today: Sunny, with a high near 82. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 82 °F

    Sunny


  • Tonight

    Tonight: Mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Clear


  • Wednesday

    Wednesday: Sunny, with a high near 80. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 80 °F

    Sunny


  • Wednesday
    Night

    Wednesday Night: Increasing clouds, with a low around 52. West southwest wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 76. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 76 °F

    Mostly Sunny


  • Thursday
    Night

    Thursday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Sunny, with a high near 80.

    High: 80 °F

    Sunny


  • Friday
    Night

    Friday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear


  • Independence
    Day

    Independence Day: Sunny, with a high near 81.

    High: 81 °F

    Sunny


    • Today: Sunny, with a high near 82. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    Tonight: Mostly clear, with a low around 52. Calm wind.

    Wednesday: Sunny, with a high near 80. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    Wednesday Night: Increasing clouds, with a low around 52. West southwest wind around 5 mph becoming calm in the evening.

    Thursday: Mostly sunny, with a high near 76. Calm wind becoming southwest around 6 mph in the afternoon.

    Thursday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 52.

    Friday: Sunny, with a high near 80.

    Friday Night: Mostly clear, with a low around 54.

    Independence Day: Sunny, with a high near 81.

    Saturday Night: Mostly clear, with a low around 53.

    Sunday: Mostly sunny, with a high near 78.

    Sunday Night: Partly cloudy, with a low around 53.

    Monday: Mostly sunny, with a high near 78.


    Guerneville CA
     38.5°N 122.98°W (Elev. 397 ft)

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