Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Severe thunderstorms are expected across parts of the central and southern High Plains, central Great Lakes, and Ozarks Wednesday. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Partly Cloudy

72°F

22°C

Humidity 64%
Wind Speed NW 6 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 25 Aug 07:47 PM PDT
Extended Forecast for

Mount Hamilton CA

  • Tonight

    Tonight: Partly cloudy, with a low around 71. West wind around 6 mph becoming calm  after midnight.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 87. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 73. North northwest wind 5 to 7 mph.

    Low: 73 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 86. North wind 5 to 9 mph becoming west in the afternoon. Winds could gust as high as 18 mph.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 72. West northwest wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 72 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers before 11am.  Partly sunny, with a high near 80.

    High: 80 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 71. West wind around 6 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 87. Calm wind becoming west 5 to 9 mph in the afternoon.
Wednesday Night
Clear, with a low around 73. North northwest wind 5 to 7 mph.
Thursday
Sunny, with a high near 86. North wind 5 to 9 mph becoming west in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Mostly cloudy, with a low around 72. West northwest wind 6 to 9 mph, with gusts as high as 18 mph.
Friday
A 20 percent chance of showers before 11am. Partly sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 65.
Saturday
Sunny, with a high near 78.
Saturday Night
Clear, with a low around 59.
Sunday
Sunny, with a high near 75.
Sunday Night
Mostly clear, with a low around 56.
Monday
Sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Hamilton CA
 37.35°N 121.64°W (Elev. 2398 ft)
1:26 pm PDT Aug 25, 2026
8pm PDT Aug 25, 2026-6pm PDT Sep 1, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database