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Current conditions at

DIABLO GRANDE (DBLC1)

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

NA

48°F

9°C

Humidity 65%
Wind Speed WSW 2 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 23 Jan 04:00 AM PST
Extended Forecast for

20 Miles E Mount Hamilton CA

Dense Fog Advisory January 23, 04:35am until January 23, 11:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory January 23, 04:35am until January 23, 11:00am

    NOW until 11:00am Fri

    Dense Fog Advisory

  • Today

    High: 57 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 42. Northwest wind 3 to 6 mph.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 56. North wind 8 to 10 mph.

    High: 56 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 41. West wind around 6 mph.

    Low: 41 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly cloudy, with a high near 54. Light and variable wind becoming east southeast around 6 mph in the morning.

    High: 54 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 57. Calm wind becoming east northeast around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 42. Northwest wind 3 to 6 mph.
Saturday
Sunny, with a high near 56. North wind 8 to 10 mph.
Saturday Night
Mostly clear, with a low around 41. West wind around 6 mph.
Sunday
Mostly cloudy, with a high near 54. Light and variable wind becoming east southeast around 6 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 57.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Mostly sunny, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 45.
Wednesday
Partly sunny, with a high near 57.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Sunny, with a high near 58.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
20 Miles E Mount Hamilton CA
 37.38°N 121.28°W (Elev. 1401 ft)
1:21 am PST Jan 23, 2026
4am PST Jan 23, 2026-6pm PST Jan 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