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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 37.57°N 122.27°W (Text-Only)
NWS Forecast for: Foster City CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Last Update: 12:26 am PST Dec 5, 2025		Print

  • Overnight

    Overnight: Mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 64 °F

    Sunny

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 49. Light west wind.

    Low: 49 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 64. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 64 °F

    Becoming
    Sunny

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 48. West northwest wind 3 to 6 mph.

    Low: 48 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy



    • Overnight: Mostly clear, with a low around 44. Calm wind.

    Friday: Sunny, with a high near 64. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    Friday Night: Partly cloudy, with a low around 49. Light west wind.

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 64. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    Saturday Night: Partly cloudy, with a low around 48. West northwest wind 3 to 6 mph.

    Sunday: Partly sunny, with a high near 65.

    Sunday Night: Partly cloudy, with a low around 48.

    Monday: Mostly sunny, with a high near 66.

    Monday Night: Partly cloudy, with a low around 48.

    Tuesday: Mostly sunny, with a high near 66.

    Tuesday Night: Partly cloudy, with a low around 49.

    Wednesday: Mostly sunny, with a high near 67.

    Wednesday Night: Partly cloudy, with a low around 50.

    Thursday: Mostly sunny, with a high near 67.


    Foster City CA
     37.57°N 122.27°W (Elev. 3 ft)

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