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

Cold Front Moving Through the Northeast U.S. Monday; Atmospheric River to Impact the Pacific Northwest Midweek

A cold front will cross the Great Lakes and Northeast U.S. through Monday with gusty winds and areas of rain showers. A strong atmospheric river is expected to move into the Pacific Northwest by midweek bringing a threat for moderate to heavy rainfall, gusty winds, and mountain snows for parts of Washington, Oregon, northern California, and the Sierra Nevada. Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

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

NA

59°F

15°C

Humidity 60%
Wind Speed SSW 4 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 03 Nov 06:00 AM PST
Extended Forecast for

15 Miles SSW Tracy CA

  • Today

    Today: Widespread haze between 7am and 8am. Sunny, with a high near 69. Light and variable wind becoming north around 5 mph.

    High: 69 °F

    Haze then
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 43. Light south southwest wind.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68. South wind 3 to 7 mph.

    High: 68 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 47. South wind 8 to 14 mph, with gusts as high as 33 mph.

    Low: 47 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Showers, mainly before 4pm. High near 55. South wind 15 to 21 mph, with gusts as high as 40 mph. Chance of precipitation is 100%.

    High: 55 °F

    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers before 10pm. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

Detailed Forecast

Today
Widespread haze between 7am and 8am. Sunny, with a high near 69. Light and variable wind becoming north around 5 mph.
Tonight
Mostly clear, with a low around 43. Light south southwest wind.
Tuesday
Mostly sunny, with a high near 68. South wind 3 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 47. South wind 8 to 14 mph, with gusts as high as 33 mph.
Wednesday
Showers, mainly before 4pm. High near 55. South wind 15 to 21 mph, with gusts as high as 40 mph. Chance of precipitation is 100%.
Wednesday Night
A 50 percent chance of showers before 10pm. Mostly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Mostly clear, with a low around 42.
Friday
Sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 44.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
A slight chance of showers. Partly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles SSW Tracy CA
 37.55°N 121.52°W (Elev. 2635 ft)
Last Update:
1:21 am PST Nov 3, 2025
Forecast Valid:
6am PST Nov 3, 2025-6pm PST Nov 9, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation