Arctic Air for the Northeast and Mid-Atlantic; Increase Rainfall for Pacific Northwest

An arctic cold front will quickly track across the Great Lakes, Northeast and mid-Atlantic. Snow showers and squalls will accompany this system with increasing winds and falling temperatures. Damaging wind gusts may result in tree damage and power outages. Meanwhile, moisture returns for the Pacific Northwest this weekend with both coverage and intensity of rainfall and higher elevation snows. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

56°F

13°C

Humidity 26%
Wind Speed SSW 7 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility NA
Last update 06 Feb 06:20 AM PST
Extended Forecast for

4 Miles SSE Clayton CA

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 62. South wind 5 to 7 mph.

    High: 62 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a steady temperature around 52. West southwest wind around 9 mph.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 61. West wind around 7 mph.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 48. West southwest wind around 9 mph.

    Low: 48 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 60. West wind 7 to 9 mph.

    High: 60 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A slight chance of rain after 10pm.  Mostly cloudy, with a low around 48.

    Low: 48 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A chance of rain, mainly after 10am.  Partly sunny, with a high near 54.

    High: 54 °F

    Chance Rain

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 62. South wind 5 to 7 mph.
Tonight
Mostly clear, with a steady temperature around 52. West southwest wind around 9 mph.
Saturday
Mostly sunny, with a high near 61. West wind around 7 mph.
Saturday Night
Partly cloudy, with a low around 48. West southwest wind around 9 mph.
Sunday
Partly sunny, with a high near 60. West wind 7 to 9 mph.
Sunday Night
Mostly cloudy, with a low around 50.
Monday
Mostly cloudy, with a high near 57.
Monday Night
A slight chance of rain after 10pm. Mostly cloudy, with a low around 48.
Tuesday
A chance of rain, mainly after 10am. Partly sunny, with a high near 54.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 45.
Wednesday
A chance of rain. Partly sunny, with a high near 54.
Wednesday Night
A slight chance of rain. Partly cloudy, with a low around 44.
Thursday
Sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Clayton CA
 37.87°N 121.92°W (Elev. 2818 ft)
12:39 am PST Feb 6, 2026
6am PST Feb 6, 2026-6pm PST Feb 12, 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