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

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

50°F

10°C

Humidity 57%
Wind Speed NNW 11 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Wind Chill46°F (8°C)
Last update 05 Dec 11:10 AM PST
Extended Forecast for

4 Miles SSE Clayton CA

  • Today

    Today: Sunny, with a steady temperature around 50. North wind 9 to 11 mph.

    High: 50 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a steady temperature around 48. West northwest wind around 5 mph becoming light and variable.

    Low: 48 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 54. North northwest wind 7 to 9 mph.

    High: 54 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 45. North wind 7 to 10 mph.

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 54. North northwest wind 5 to 9 mph.

    High: 54 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a steady temperature around 50. North wind 9 to 11 mph.
Tonight
Mostly clear, with a steady temperature around 48. West northwest wind around 5 mph becoming light and variable.
Saturday
Sunny, with a high near 54. North northwest wind 7 to 9 mph.
Saturday Night
Mostly clear, with a low around 45. North wind 7 to 10 mph.
Sunday
Mostly sunny, with a high near 54. North northwest wind 5 to 9 mph.
Sunday Night
Mostly clear, with a low around 44.
Monday
Sunny, with a high near 54.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Mostly sunny, with a high near 54.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 56.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Clayton CA
 37.87°N 121.92°W (Elev. 2818 ft)
Last Update:
1:40 am PST Dec 5, 2025
Forecast Valid:
11am PST Dec 5, 2025-6pm PST Dec 11, 2025
 
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