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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 37.08°N 121.6°W (Text-Only)
NWS Forecast for: San Martin CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Last Update: 1:26 pm PDT Jun 29, 2026		Print

  • Tonight

    Tonight: Increasing clouds, with a low around 54. South wind around 5 mph becoming calm after midnight.

    Low: 54 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 80. Light and variable wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 80 °F

    Becoming
    Sunny

  • Tuesday
    Night

    Tuesday Night: Increasing clouds, with a low around 52. South wind 5 to 10 mph, with gusts as high as 18 mph.

    Low: 52 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 74. Southwest wind 5 to 9 mph, with gusts as high as 18 mph.

    High: 74 °F

    Gradual
    Clearing

  • Wednesday
    Night

    Wednesday Night: Mostly cloudy, with a low around 51. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 51 °F

    Mostly Cloudy


  • Thursday

    Thursday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny


  • Thursday
    Night

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

    Low: 52 °F

    Partly Cloudy


  • Friday

    Friday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny


  • Friday
    Night

    Friday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear
    then Patchy
    Fog

    • Tonight: Increasing clouds, with a low around 54. South wind around 5 mph becoming calm after midnight.

    Tuesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 80. Light and variable wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    Tuesday Night: Increasing clouds, with a low around 52. South wind 5 to 10 mph, with gusts as high as 18 mph.

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 74. Southwest wind 5 to 9 mph, with gusts as high as 18 mph.

    Wednesday Night: Mostly cloudy, with a low around 51. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    Thursday: Mostly sunny, with a high near 74.

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

    Friday: Mostly sunny, with a high near 82.

    Friday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 53.

    Independence Day: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 85.

    Saturday Night: Patchy fog. Otherwise, partly cloudy, with a low around 54.

    Sunday: Patchy fog. Otherwise, mostly sunny, with a high near 84.

    Sunday Night: Patchy fog. Otherwise, partly cloudy, with a low around 54.

    Monday: Mostly sunny, with a high near 83.


    San Martin CA
     37.08°N 121.6°W (Elev. 276 ft)

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