Snow Expected from the Ohio Valley into the Mid-Atlantic; Rain and Thunderstorms in the Southeast

A frontal system is expected to bring wintry precipitation to the Central Appalachians and portions of the Mid-Atlantic into Wednesday, meanwhile, showers and thunderstorms are expected along the Gulf Coast and Southeast. A series of Clipper systems will bring periods of snow to the Northern Plains and Great Lakes over the next several days. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

63°F

17°C

Humidity 18%
Wind Speed NE 4 MPH
Barometer NA
Dewpoint 19°F (-7°C)
Visibility NA
Last update 03 Feb 11:50 AM PST
Extended Forecast for

4 Miles SSE Clayton CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 62. East northeast wind around 8 mph.

    High: 62 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 51. East wind around 7 mph.

    Low: 51 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 65. East wind around 9 mph.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. East wind 7 to 9 mph.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 63. East northeast wind around 9 mph.

    High: 63 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 62. East northeast wind around 8 mph.
Tonight
Clear, with a low around 51. East wind around 7 mph.
Wednesday
Sunny, with a high near 65. East wind around 9 mph.
Wednesday Night
Mostly clear, with a low around 52. East wind 7 to 9 mph.
Thursday
Mostly sunny, with a high near 63. East northeast wind around 9 mph.
Thursday Night
Mostly cloudy, with a low around 52.
Friday
Partly sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Sunny, with a high near 63.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
A chance of rain. Mostly sunny, with a high near 61.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 49.
Monday
A slight chance of rain. Partly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Clayton CA
 37.87°N 121.92°W (Elev. 2818 ft)
10:52 am PST Feb 3, 2026
12pm PST Feb 3, 2026-6pm PST Feb 9, 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