Showers and Storms in the East; Dangerously Hot and Dry in the West

A frontal boundary will bring scattered showers and storms to portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Intermountain West and expand into the Central U.S. by early next week. Elevated wildfire conditions will develop across portions of the Northern/Central Plains and air quality issues will persist in 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 9 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Heat Index91°F (33°C)
Last update 05 Aug 02:00 PM PDT
Extended Forecast for

19 Miles ENE Mount Hamilton CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 91. Northeast wind around 8 mph.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 71. North wind around 5 mph becoming calm  in the evening.

    Low: 71 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 91. Calm wind becoming northeast 5 to 8 mph in the morning.

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 74. North wind 5 to 7 mph becoming calm  in the evening.

    Low: 74 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 93. Calm wind becoming north 5 to 9 mph in the afternoon.

    High: 93 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 77.

    Low: 77 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 77.

    Low: 77 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 91. Northeast wind around 8 mph.
Tonight
Clear, with a low around 71. North wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 91. Calm wind becoming northeast 5 to 8 mph in the morning.
Thursday Night
Clear, with a low around 74. North wind 5 to 7 mph becoming calm in the evening.
Friday
Sunny, with a high near 93. Calm wind becoming north 5 to 9 mph in the afternoon.
Friday Night
Clear, with a low around 77.
Saturday
Sunny, with a high near 95.
Saturday Night
Clear, with a low around 77.
Sunday
Sunny, with a high near 95.
Sunday Night
Clear, with a low around 74.
Monday
Sunny, with a high near 91.
Monday Night
Mostly clear, with a low around 71.
Tuesday
Sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
19 Miles ENE Mount Hamilton CA
 37.42°N 121.32°W (Elev. 2201 ft)
2:00 pm PDT Aug 5, 2026
2pm PDT Aug 5, 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