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Current conditions at

DIABLO GRANDE (DBLC1)

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

NA

55°F

13°C

Humidity 35%
Wind Speed WNW 2 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 30 Jan 08:00 AM PST
Extended Forecast for

15 Miles S Tracy CA

Dense Fog Advisory until January 30, 12:00pm
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until January 30, 12:00pm

    NOW until 12:00pm Fri

    Dense Fog Advisory

  • Today

    High: 64 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 45. Light south southwest wind.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 67. East southeast wind around 6 mph.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 43. Calm wind becoming west southwest around 5 mph after midnight.

    Low: 43 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 64. Light and variable wind becoming north northwest 5 to 7 mph in the afternoon.

    High: 64 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

Detailed Forecast

Today
Mostly sunny, with a high near 64. Calm wind becoming east around 6 mph in the afternoon.
Tonight
Partly cloudy, with a low around 45. Light south southwest wind.
Saturday
Mostly sunny, with a high near 67. East southeast wind around 6 mph.
Saturday Night
Partly cloudy, with a low around 43. Calm wind becoming west southwest around 5 mph after midnight.
Sunday
Partly sunny, with a high near 64. Light and variable wind becoming north northwest 5 to 7 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Sunny, with a high near 61.
Monday Night
Clear, with a low around 42.
Tuesday
Sunny, with a high near 64.
Tuesday Night
Clear, with a low around 43.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Clear, with a low around 45.
Thursday
Sunny, with a high near 68.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles S Tracy CA
 37.52°N 121.46°W (Elev. 1969 ft)
1:20 am PST Jan 30, 2026
8am PST Jan 30, 2026-6pm PST Feb 5, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database