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Current conditions at

DIABLO GRANDE (DBLC1)

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

NA

56°F

13°C

Humidity 66%
Wind Speed W 3 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 22 Jan 05:00 PM PST
Extended Forecast for

16 Miles SSE Tracy CA

Dense Fog Advisory January 22, 10:00pm until January 23, 11:00am
Click here for hazard details and duration
Dense Fog Advisory
  • Tonight

    Tonight: Mostly clear, with a low around 44. Southwest wind around 6 mph.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 52. Southwest wind 5 to 7 mph becoming northeast in the afternoon.

    High: 52 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40. West northwest wind 7 to 10 mph.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 51. North northwest wind around 14 mph, with gusts as high as 21 mph.

    High: 51 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40. West wind 9 to 11 mph.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

  • Sunday Night

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

    Low: 43 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 44. Southwest wind around 6 mph.
Friday
Sunny, with a high near 52. Southwest wind 5 to 7 mph becoming northeast in the afternoon.
Friday Night
Mostly clear, with a low around 40. West northwest wind 7 to 10 mph.
Saturday
Sunny, with a high near 51. North northwest wind around 14 mph, with gusts as high as 21 mph.
Saturday Night
Mostly clear, with a low around 40. West wind 9 to 11 mph.
Sunday
Partly sunny, with a high near 53.
Sunday Night
Mostly cloudy, with a low around 43.
Monday
Mostly sunny, with a high near 54.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Mostly sunny, with a high near 54.
Tuesday Night
Mostly cloudy, with a low around 45.
Wednesday
A slight chance of rain. Partly sunny, with a high near 53.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 44.
Thursday
Mostly sunny, with a high near 54.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles SSE Tracy CA
 37.51°N 121.37°W (Elev. 3127 ft)
1:21 pm PST Jan 22, 2026
5pm PST Jan 22, 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