Dangerous Cold Persists through Monday; Wintry Weather from the Northern Plains to the Great Lakes

Bitter cold temperatures and dangerous wind chills will persist from Florida to the Northeast through the day. Daily record low temperatures are forecast across the Southeast and Florida, with some all-time February low temperature records possible across Florida. An Alberta clipper will spread wintry precipitation across the Northern Plains today and into the upper Great Lakes into tonight. 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 39%
Wind Speed N 15 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Wind Chill45°F (7°C)
Last update 02 Feb 11:50 AM PST
Extended Forecast for

4 Miles SSE Clayton CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 60. North wind around 8 mph.

    High: 60 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 48. Northeast wind around 6 mph.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 61. Northeast wind around 8 mph.

    High: 61 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 46. East northeast wind around 6 mph.

    Low: 46 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 62. Northeast wind around 9 mph.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 60. North wind around 8 mph.
Tonight
Mostly clear, with a low around 48. Northeast wind around 6 mph.
Tuesday
Sunny, with a high near 61. Northeast wind around 8 mph.
Tuesday Night
Clear, with a low around 46. East northeast wind around 6 mph.
Wednesday
Sunny, with a high near 62. Northeast wind around 9 mph.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Mostly sunny, with a high near 61.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
A slight chance of rain. Mostly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Clayton CA
 37.87°N 121.92°W (Elev. 2818 ft)
12:26 am PST Feb 2, 2026
12pm PST Feb 2, 2026-6pm PST Feb 8, 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