Widespread High Wind Event; Heavy Snow Expected from the Northern Plains to Northeast

Widespread high winds will continue to impact the interior Northwest, northern Plains, and Upper Midwest. Gusty winds and low relative humidity will bring critical fire weather to the central and southern Plains and south coastal Texas today. A storm tracking across the northern Plains, Great Lakes and into the Northeast U.S. will bring heavy snow and gusty winds into Saturday. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.

NA

62°F

17°C

Humidity 21%
Wind Speed NNW 7 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Last update 12 Mar 12:40 AM PDT
Extended Forecast for

3 Miles S Clayton CA

  • Tonight

    Tonight: Mostly clear, with a low around 53. West southwest wind around 9 mph.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 74. Southwest wind 6 to 8 mph becoming northwest in the morning.

    High: 74 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52. Southwest wind around 11 mph, with gusts as high as 21 mph.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 75. West southwest wind 7 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 58. West wind around 9 mph, with gusts as high as 18 mph.

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 53. West southwest wind around 9 mph.
Friday
Mostly sunny, with a high near 74. Southwest wind 6 to 8 mph becoming northwest in the morning.
Friday Night
Partly cloudy, with a low around 52. Southwest wind around 11 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 75. West southwest wind 7 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.
Saturday Night
Partly cloudy, with a low around 58. West wind around 9 mph, with gusts as high as 18 mph.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Sunny, with a high near 81.
Monday Night
Clear, with a low around 61.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Clear, with a low around 61.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Clear, with a low around 61.
Thursday
Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Clayton CA
 37.9°N 121.92°W (Elev. 1900 ft)
1:25 pm PDT Mar 12, 2026
3pm PDT Mar 12, 2026-6pm PDT Mar 19, 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