Areas of Extreme Heat and Excessive Rainfall Potential

Dangerous and extreme heat will remain across portions of the central U.S. this week, persisting across the mid to lower Mississippi Valley, Gulf Coast, southern Plains and portions of Texas. A heat wave over the Southwest U.S. will peak this weekend. Heavy to excessive rainfall may produce flash flooding from the Delmarva Peninsula north into the Hudson Valley today and tonight. Read More >

7-Day Forecast 37.35°N 121.64°W (Text-Only)
NWS Forecast for: Mount Hamilton CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Last Update: 1:26 pm PDT Jul 28, 2026
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  • This
    Afternoon

    This Afternoon: Sunny, with a high near 79. West wind around 8 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 60. West wind around 6 mph becoming calm  in the evening.

    Low: 60 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 82 °F

    Sunny

  • Wednesday
    Night

    Wednesday Night: Clear, with a low around 62. West wind around 6 mph becoming calm  in the evening.

    Low: 62 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 83. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 83 °F

    Sunny

  • Thursday
    Night

    Thursday Night: Clear, with a low around 64.

    Low: 64 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Friday
    Night

    Friday Night: Clear, with a low around 65.

    Low: 65 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • This Afternoon: Sunny, with a high near 79. West wind around 8 mph.

    Tonight: Clear, with a low around 60. West wind around 6 mph becoming calm in the evening.

    Wednesday: Sunny, with a high near 82. Calm wind becoming west 5 to 7 mph in the afternoon.

    Wednesday Night: Clear, with a low around 62. West wind around 6 mph becoming calm in the evening.

    Thursday: Sunny, with a high near 83. Calm wind becoming west 5 to 8 mph in the afternoon.

    Thursday Night: Clear, with a low around 64.

    Friday: Sunny, with a high near 87.

    Friday Night: Clear, with a low around 65.

    Saturday: Sunny, with a high near 87.

    Saturday Night: Clear, with a low around 65.

    Sunday: Sunny, with a high near 86.

    Sunday Night: Clear, with a low around 65.

    Monday: Sunny, with a high near 86.



    Mount Hamilton CA
     37.35°N 121.64°W (Elev. 2398 ft)

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