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

54°F

12°C

Humidity 35%
Wind Speed NNW 14 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 06 Dec 10:35 PM PST
Extended Forecast for

4 Miles SSE Clayton CA

  • Tonight

    Tonight: Partly cloudy, with a steady temperature around 49. North northeast wind 3 to 5 mph.

    Low: 49 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 55. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 55 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a steady temperature around 49. Calm wind becoming north northeast around 6 mph after midnight.

    Low: 49 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 53. North northwest wind 3 to 5 mph.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. Light west wind.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a steady temperature around 49. North northeast wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 55. Calm wind becoming west northwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a steady temperature around 49. Calm wind becoming north northeast around 6 mph after midnight.
Monday
Sunny, with a high near 53. North northwest wind 3 to 5 mph.
Monday Night
Mostly clear, with a low around 44. Light west wind.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 55.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 55.
Thursday Night
Mostly clear, with a low around 44.
Friday
Mostly sunny, with a high near 52.
Friday Night
Mostly clear, with a low around 44.
Saturday
Mostly sunny, with a high near 52.
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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:
12:26 pm PST Dec 6, 2025
Forecast Valid:
10pm PST Dec 6, 2025-6pm PST Dec 13, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation