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

52°F

11°C

Humidity 43%
Wind Speed N 11 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 07 Dec 05:35 AM PST
Extended Forecast for

2 Miles SSW Clayton CA

  • Today

    Today: Partly sunny, with a high near 54. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 54 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 43. East wind 5 to 8 mph.

    Low: 43 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 57. East wind around 5 mph becoming light and variable.

    High: 57 °F

    Sunny

  • Monday Night

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

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 56. North wind 7 to 9 mph.

    High: 56 °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 59.

    High: 59 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 54. Calm wind becoming northwest around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 43. East wind 5 to 8 mph.
Monday
Sunny, with a high near 57. East wind around 5 mph becoming light and variable.
Monday Night
Mostly clear, with a low around 44. Light southwest wind.
Tuesday
Mostly sunny, with a high near 56. North wind 7 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 59.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 59.
Thursday Night
Mostly clear, with a low around 45.
Friday
Mostly sunny, with a high near 59.
Friday Night
Mostly clear, with a low around 44.
Saturday
Mostly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Clayton CA
 37.91°N 121.96°W (Elev. 1299 ft)
Last Update:
2:33 am PST Dec 7, 2025
Forecast Valid:
5am PST Dec 7, 2025-6pm PST Dec 13, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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