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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 37.9°N 122.07°W (Text-Only)
NWS Forecast for: Walnut Creek CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Last Update: 7:35 pm PST Dec 4, 2025		Print

  • Overnight

    Overnight: Mostly clear, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Clear


  • Friday

    Friday: Sunny, with a high near 63. Light and variable wind.

    High: 63 °F

    Sunny


  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 44. South southwest wind around 5 mph.

    Low: 44 °F

    Partly Cloudy


  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, sunny, with a high near 64. Calm wind.

    High: 64 °F

    Patchy Fog
    then Sunny

  • Saturday
    Night

    Saturday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Areas of fog before 10am. Otherwise, partly sunny, with a high near 64.

    High: 64 °F

    Areas Fog
    then Partly
    Sunny

  • Sunday
    Night

    Sunday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 65.

    High: 65 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday
    Night

    Monday Night: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy
    then Patchy
    Fog

    • Overnight: Mostly clear, with a low around 41. Calm wind.

    Friday: Sunny, with a high near 63. Light and variable wind.

    Friday Night: Partly cloudy, with a low around 44. South southwest wind around 5 mph.

    Saturday: Patchy fog before 8am. Otherwise, sunny, with a high near 64. Calm wind.

    Saturday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 46. Calm wind.

    Sunday: Areas of fog before 10am. Otherwise, partly sunny, with a high near 64.

    Sunday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 45.

    Monday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 65.

    Monday Night: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 45.

    Tuesday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 64.

    Tuesday Night: Patchy fog. Otherwise, partly cloudy, with a low around 45.

    Wednesday: Patchy fog. Otherwise, mostly sunny, with a high near 65.

    Wednesday Night: Patchy fog. Otherwise, partly cloudy, with a low around 46.

    Thursday: Patchy fog. Otherwise, mostly sunny, with a high near 66.


    Walnut Creek CA
     37.9°N 122.07°W (Elev. 203 ft)

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