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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 38°N 122.27°W (Text-Only)
NWS Forecast for: Hercules 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 55. South southwest wind around 9 mph.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72. South southwest wind 9 to 15 mph, with gusts as high as 21 mph.

    High: 72 °F

    Sunny

  • Tuesday
    Night

    Tuesday Night: Increasing clouds, with a low around 53. South southwest wind 10 to 14 mph, with gusts as high as 22 mph.

    Low: 53 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 71. Southwest wind 8 to 13 mph, with gusts as high as 18 mph.

    High: 71 °F

    Becoming
    Sunny

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 53. South southwest wind around 16 mph, with gusts as high as 25 mph.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Thursday
    Night

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

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

    • Tonight: Mostly clear, with a low around 55. South southwest wind around 9 mph.

    Tuesday: Sunny, with a high near 72. South southwest wind 9 to 15 mph, with gusts as high as 21 mph.

    Tuesday Night: Increasing clouds, with a low around 53. South southwest wind 10 to 14 mph, with gusts as high as 22 mph.

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 71. Southwest wind 8 to 13 mph, with gusts as high as 18 mph.

    Wednesday Night: Partly cloudy, with a low around 53. South southwest wind around 16 mph, with gusts as high as 25 mph.

    Thursday: Mostly sunny, with a high near 69.

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

    Friday: Mostly sunny, with a high near 73.

    Friday Night: Mostly clear, with a low around 54.

    Independence Day: Mostly sunny, with a high near 72.

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

    Sunday: Mostly sunny, with a high near 70.

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

    Monday: Mostly sunny, with a high near 70.


    Hercules CA
     38°N 122.27°W (Elev. 377 ft)

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