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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 39.43°N 121.65°W (Text-Only)
NWS Forecast for: 5 Miles SSW Thermalito CA
Issued by: National Weather Service Sacramento, CA
Last Update: 1:20 am PST Dec 5, 2025		Print

  • Overnight

    Overnight: Widespread dense fog. Otherwise, mostly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Dense Fog

  • Friday

    Friday: Widespread dense fog before 2pm. Otherwise, partly sunny, with a high near 52. Light and variable wind.

    High: 52 °F

    Dense Fog

  • Friday
    Night

    Friday Night: Patchy fog after 8pm. Otherwise, partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Patchy Fog

  • Saturday

    Saturday: Mostly sunny, with a high near 57. Calm wind.

    High: 57 °F

    Mostly Sunny

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy



    • Overnight: Widespread dense fog. Otherwise, mostly cloudy, with a low around 39. Calm wind.

    Friday: Widespread dense fog before 2pm. Otherwise, partly sunny, with a high near 52. Light and variable wind.

    Friday Night: Patchy fog after 8pm. Otherwise, partly cloudy, with a low around 41. Calm wind.

    Saturday: Mostly sunny, with a high near 57. Calm wind.

    Saturday Night: Partly cloudy, with a low around 42. Calm wind.

    Sunday: Partly sunny, with a high near 58.

    Sunday Night: Partly cloudy, with a low around 43.

    Monday: Mostly sunny, with a high near 59.

    Monday Night: Mostly cloudy, with a low around 44.

    Tuesday: Partly sunny, with a high near 59.

    Tuesday Night: Mostly cloudy, with a low around 46.

    Wednesday: Partly sunny, with a high near 62.

    Wednesday Night: Partly cloudy, with a low around 46.

    Thursday: Mostly sunny, with a high near 62.


    5 Miles SSW Thermalito CA
     39.43°N 121.65°W (Elev. 105 ft)

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