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

98°F

37°C

Humidity 19%
Wind Speed ENE 6 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Heat Index95°F (35°C)
Last update 04 Aug 05:00 PM PDT
Extended Forecast for

19 Miles ESE Mount Hamilton CA

  • Tonight

    Tonight: Clear, with a low around 66. Southwest wind 5 to 8 mph.

    Low: 66 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94. West southwest wind around 6 mph becoming south southeast in the morning.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 67. West southwest wind 3 to 6 mph.

    Low: 67 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 95. Light and variable wind becoming southwest 5 to 7 mph in the afternoon.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 70. West southwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 70 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Friday Night

    Friday Night: Clear, with a low around 71.

    Low: 71 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 66. Southwest wind 5 to 8 mph.
Wednesday
Sunny, with a high near 94. West southwest wind around 6 mph becoming south southeast in the morning.
Wednesday Night
Clear, with a low around 67. West southwest wind 3 to 6 mph.
Thursday
Sunny, with a high near 95. Light and variable wind becoming southwest 5 to 7 mph in the afternoon.
Thursday Night
Clear, with a low around 70. West southwest wind 5 to 8 mph becoming calm in the evening.
Friday
Sunny and hot, with a high near 99.
Friday Night
Clear, with a low around 71.
Saturday
Sunny and hot, with a high near 99.
Saturday Night
Mostly clear, with a low around 71.
Sunday
Sunny and hot, with a high near 97.
Sunday Night
Mostly clear, with a low around 69.
Monday
Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
19 Miles ESE Mount Hamilton CA
 37.27°N 121.31°W (Elev. 2201 ft)
2:01 pm PDT Aug 4, 2026
5pm 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