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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 37.37°N 122.22°W (Text-Only)
NWS Forecast for: Portola Valley 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 52. West wind 5 to 8 mph becoming calm after midnight.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 78 °F

    Sunny

  • Tuesday
    Night

    Tuesday Night: Increasing clouds, with a low around 51. Southwest wind 5 to 7 mph.

    Low: 51 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73. West southwest wind 3 to 6 mph.

    High: 73 °F

    Mostly Sunny

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 51. West southwest wind around 8 mph.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Friday
    Night

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

    Low: 53 °F

    Mostly Clear

    • Tonight: Mostly clear, with a low around 52. West wind 5 to 8 mph becoming calm after midnight.

    Tuesday: Sunny, with a high near 78. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    Tuesday Night: Increasing clouds, with a low around 51. Southwest wind 5 to 7 mph.

    Wednesday: Mostly sunny, with a high near 73. West southwest wind 3 to 6 mph.

    Wednesday Night: Mostly clear, with a low around 51. West southwest wind around 8 mph.

    Thursday: Mostly sunny, with a high near 71.

    Thursday Night: Partly cloudy, with a low around 52.

    Friday: Sunny, with a high near 76.

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

    Independence Day: Sunny, with a high near 78.

    Saturday Night: Partly cloudy, with a low around 54.

    Sunday: Mostly sunny, with a high near 76.

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

    Monday: Mostly sunny, with a high near 74.


    Portola Valley CA
     37.37°N 122.22°W (Elev. 597 ft)

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