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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 37.38°N 122.05°W (Text-Only)
NWS Forecast for: Sunnyvale 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 57. North wind around 6 mph becoming calm after midnight.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81. Calm wind becoming west northwest 5 to 9 mph in the afternoon.

    High: 81 °F

    Sunny

  • Tuesday
    Night

    Tuesday Night: Increasing clouds, with a low around 56. West northwest wind 5 to 8 mph becoming south after midnight.

    Low: 56 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 77. South wind 5 to 7 mph becoming west southwest in the afternoon.

    High: 77 °F

    Becoming
    Sunny

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 55. South southwest wind 7 to 9 mph.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

    • Tonight: Mostly clear, with a low around 57. North wind around 6 mph becoming calm after midnight.

    Tuesday: Sunny, with a high near 81. Calm wind becoming west northwest 5 to 9 mph in the afternoon.

    Tuesday Night: Increasing clouds, with a low around 56. West northwest wind 5 to 8 mph becoming south after midnight.

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 77. South wind 5 to 7 mph becoming west southwest in the afternoon.

    Wednesday Night: Partly cloudy, with a low around 55. South southwest wind 7 to 9 mph.

    Thursday: Mostly sunny, with a high near 75.

    Thursday Night: Partly cloudy, with a low around 55.

    Friday: Mostly sunny, with a high near 78.

    Friday Night: Mostly clear, with a low around 57.

    Independence Day: Mostly sunny, with a high near 80.

    Saturday Night: Partly cloudy, with a low around 57.

    Sunday: Mostly sunny, with a high near 78.

    Sunday Night: Partly cloudy, with a low around 57.

    Monday: Mostly sunny, with a high near 76.


    Sunnyvale CA
     37.38°N 122.05°W (Elev. 118 ft)

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