National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Severe Thunderstorms and Excessive Rainfall; Heat Wave Builds in the Intermountain West and Plains

A slow moving front will bring rounds of strong to severe thunderstorms and heavy rainfall to the central Plains eastward to the east-central U.S.. The first widespread significant heat wave of summer for the Intermountain West and Plains is expected to develop today and expand through next week. Dangerous heat will continue to impact portions of the Southwest and Southeast. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

Lat: 37.33333°NLon: 121.81667°WElev: 135.0ft.

Clear

59°F

15°C

Humidity 82%
Wind Speed N 0 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 10 Jul 07:47 AM PDT
Extended Forecast for

Mount Hamilton CA

  • Today

    Today: Sunny, with a high near 79. West southwest wind 3 to 8 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 62. West wind 5 to 8 mph.

    Low: 62 °F

    Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 83. Calm wind becoming west around 6 mph in the afternoon.

    High: 83 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 70. West wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 83. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 83 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 74.

    Low: 74 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers before 11am. Partly sunny, with a high near 83.

    High: 83 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 79. West southwest wind 3 to 8 mph.
Tonight
Clear, with a low around 62. West wind 5 to 8 mph.
Saturday
Increasing clouds, with a high near 83. Calm wind becoming west around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 70. West wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 83. Calm wind becoming west southwest around 6 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 74.
Monday
A 20 percent chance of showers before 11am. Partly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 71.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Clear, with a low around 69.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 65.
Thursday
Sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Hamilton CA
 37.35°N 121.64°W (Elev. 2398 ft)
Last Update:
2:16 am PDT Jul 10, 2026
Forecast Valid:
9am PDT Jul 10, 2026-6pm PDT Jul 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation