Current conditions at

DIABLO GRANDE (DBLC1)

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

NA

81°F

27°C

Humidity 19%
Wind Speed NNW 3 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Heat Index79°F (26°C)
Last update 08 Oct 06:00 AM PDT
Extended Forecast for

19 Miles ENE Mount Hamilton CA

Heat Advisory October 8, 06:55am until October 8, 10:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory October 8, 06:55am until October 8, 10:00pm

    NOW until 10:00pm Thu

    Heat Advisory

  • Today

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 76. West wind 3 to 8 mph.

    Low: 76 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 86. Light and variable wind becoming north northeast 5 to 8 mph in the morning.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60. West southwest wind 7 to 10 mph.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 69. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 69 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny, with a high near 89. North wind 5 to 13 mph, with gusts as high as 21 mph.
Tonight
Clear, with a low around 76. West wind 3 to 8 mph.
Friday
Sunny, with a high near 86. Light and variable wind becoming north northeast 5 to 8 mph in the morning.
Friday Night
Mostly clear, with a low around 60. West southwest wind 7 to 10 mph.
Saturday
Sunny, with a high near 69. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 61.
Sunday Night
Partly cloudy, with a low around 52.
Columbus Day
Mostly sunny, with a high near 61.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 65.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 67.
Basemap Options
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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 am PDT Oct 8, 2026
6am PDT Oct 8, 2026-6pm PDT Oct 14, 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