Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Clear

81°F

27°C

Humidity 36%
Wind Speed NNW 10 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 22 Aug 01:55 PM PDT
Extended Forecast for

Mount Hamilton CA

  • Tonight

    Tonight: Partly cloudy, with a low around 68. West wind 5 to 9 mph becoming calm  after midnight.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 85. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 85 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 68. West wind around 5 mph becoming calm  in the evening.

    Low: 68 °F

    Mostly Cloudy

  • Monday

    Monday: Cloudy through mid morning, then gradual clearing, with a high near 83. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 83 °F

    Gradual
    Clearing

  • Monday Night

    Monday Night: Mostly clear, with a low around 65. West wind 5 to 7 mph becoming calm  in the evening.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 68. West wind 5 to 9 mph becoming calm after midnight.
Sunday
Increasing clouds, with a high near 85. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 68. West wind around 5 mph becoming calm in the evening.
Monday
Cloudy through mid morning, then gradual clearing, with a high near 83. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Monday Night
Mostly clear, with a low around 65. West wind 5 to 7 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 66.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 66.
Friday
Sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 66.
Saturday
Sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Hamilton CA
 37.35°N 121.64°W (Elev. 2398 ft)
3:12 pm PDT Aug 22, 2026
3pm PDT Aug 22, 2026-6pm PDT Aug 29, 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