Showers and Storms continue across the East; Heat, Critical Fire Weather, Drought, and Poor Air Quality continues in the West

A series of fronts will focus locally heavy showers and storms across portions of the central and eastern U.S. through the end of the workweek. Dangerous to extreme heat continues across the Southwest U.S., eventually spreading eastward over the weekend into early next week. Elevated fire weather conditions continue across the Great Basin, with degraded air quality lingering across the Northwest. Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

Lat: 37.32927°NLon: 121.29538°WElev: 1861.0ft.

NA

94°F

34°C

Humidity 23%
Wind Speed ENE 6 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Heat Index91°F (33°C)
Last update 04 Aug 07:00 PM PDT
Extended Forecast for

18 Miles ENE Mount Hamilton CA

  • Tonight

    Tonight: Clear, with a low around 75. North northeast wind around 5 mph becoming calm  in the evening.

    Low: 75 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93. Calm wind becoming east southeast 5 to 7 mph in the morning.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 73. Northeast wind around 6 mph becoming calm  in the evening.

    Low: 73 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 95. Calm wind becoming north northeast 5 to 7 mph in the afternoon.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 75. Northwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 75 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Friday Night

    Friday Night: Clear, with a low around 77.

    Low: 77 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 75. North northeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 93. Calm wind becoming east southeast 5 to 7 mph in the morning.
Wednesday Night
Clear, with a low around 73. Northeast wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 95. Calm wind becoming north northeast 5 to 7 mph in the afternoon.
Thursday Night
Clear, with a low around 75. Northwest wind 5 to 8 mph becoming calm in the evening.
Friday
Sunny and hot, with a high near 96.
Friday Night
Clear, with a low around 77.
Saturday
Sunny and hot, with a high near 97.
Saturday Night
Mostly clear, with a low around 77.
Sunday
Sunny and hot, with a high near 96.
Sunday Night
Clear, with a low around 75.
Monday
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 70.
Tuesday
Sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles ENE Mount Hamilton CA
 37.4°N 121.34°W (Elev. 2001 ft)
2:01 pm PDT Aug 4, 2026
7pm PDT Aug 4, 2026-6pm PDT Aug 11, 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