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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 38.01°N 121.64°W (Text-Only)
NWS Forecast for: Bethel Island CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Last Update: 1:26 am PDT Jun 30, 2026		Print

  • Overnight

    Overnight: Clear, with a low around 59. West wind 5 to 7 mph.

    Low: 59 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. Light west wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 87 °F

    Sunny

  • Tuesday
    Night

    Tuesday Night: Clear, with a low around 56. West wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.

    Low: 56 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. Light west wind increasing to 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 84 °F

    Sunny

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 55. West wind 6 to 11 mph becoming light west southwest after midnight. Winds could gust as high as 21 mph.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Thursday
    Night

    Thursday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Friday
    Night

    Friday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

    • Overnight: Clear, with a low around 59. West wind 5 to 7 mph.

    Tuesday: Sunny, with a high near 87. Light west wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    Tuesday Night: Clear, with a low around 56. West wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.

    Wednesday: Sunny, with a high near 84. Light west wind increasing to 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    Wednesday Night: Mostly clear, with a low around 55. West wind 6 to 11 mph becoming light west southwest after midnight. Winds could gust as high as 21 mph.

    Thursday: Sunny, with a high near 81.

    Thursday Night: Clear, with a low around 56.

    Friday: Sunny, with a high near 85.

    Friday Night: Clear, with a low around 58.

    Independence Day: Sunny, with a high near 88.

    Saturday Night: Mostly clear, with a low around 58.

    Sunday: Mostly sunny, with a high near 84.

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

    Monday: Sunny, with a high near 84.


    Bethel Island CA
     38.01°N 121.64°W (Elev. 3 ft)

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