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

67°F

19°C

Humidity 23%
Wind Speed E 0 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 03 Feb 01:35 PM PST
Extended Forecast for

2 Miles SSE Clayton CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 66. East northeast wind around 7 mph.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 47. East southeast wind 3 to 5 mph.

    Low: 47 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 67. East wind 6 to 8 mph.

    High: 67 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46. East wind 3 to 6 mph.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 68. East northeast wind around 8 mph.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Friday Night

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

    Low: 49 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 66. East northeast wind around 7 mph.
Tonight
Clear, with a low around 47. East southeast wind 3 to 5 mph.
Wednesday
Sunny, with a high near 67. East wind 6 to 8 mph.
Wednesday Night
Mostly clear, with a low around 46. East wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 68. East northeast wind around 8 mph.
Thursday Night
Mostly cloudy, with a low around 51.
Friday
Partly sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
A chance of rain. Partly sunny, with a high near 65.
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 61.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Clayton CA
 37.92°N 121.93°W (Elev. 600 ft)
12:27 pm PST Feb 3, 2026
1pm 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