National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

DIABLO GRANDE (DBLC1)

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

NA

50°F

10°C

Humidity 58%
Wind Speed W 3 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 01 Nov 10:00 PM PST
Extended Forecast for

16 Miles S Tracy CA

  • Tonight

    Tonight: Mostly clear, with a low around 45. West southwest wind 3 to 7 mph.

    Low: 45 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 54. Light and variable wind becoming east 5 to 8 mph in the morning.

    High: 54 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: A 10 percent chance of showers after 4am. Mostly cloudy, with a low around 46. Calm wind becoming south around 6 mph in the evening.

    Low: 46 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A 50 percent chance of showers, mainly between 10am and 4pm. Partly sunny, with a high near 51. Southwest wind 5 to 7 mph becoming east northeast in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 10pm. Partly cloudy, with a low around 46. West northwest wind 3 to 8 mph.

    Low: 46 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 45. West southwest wind 3 to 7 mph.
Monday
Increasing clouds, with a high near 54. Light and variable wind becoming east 5 to 8 mph in the morning.
Monday Night
A 10 percent chance of showers after 4am. Mostly cloudy, with a low around 46. Calm wind becoming south around 6 mph in the evening.
Tuesday
A 50 percent chance of showers, mainly between 10am and 4pm. Partly sunny, with a high near 51. Southwest wind 5 to 7 mph becoming east northeast in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A 20 percent chance of showers before 10pm. Partly cloudy, with a low around 46. West northwest wind 3 to 8 mph.
Wednesday
Sunny, with a high near 52.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Sunny, with a high near 55.
Thursday Night
Mostly clear, with a low around 49.
Friday
Sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 51.
Saturday
Sunny, with a high near 59.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles S Tracy CA
 37.51°N 121.37°W (Elev. 3127 ft)
Last Update:
1:01 pm PST Nov 1, 2026
Forecast Valid:
10pm PST Nov 1, 2026-6pm PST Nov 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation