Fire Weather Concerns; Record Warmth Spreads

The Plains to the mid-Mississippi Valley continue with warm and dry conditions. Any fires that initiate could spread quickly. The warm temperatures will expand across the Southern Plains into the Southwest where numerous records are expected through the weekend. Meanwhile, a cold front will move southward across the northern Plains and Great Lakes region where some snow will develop this weekend. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

N/A

Humidity 99%
Wind Speed N 0 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update 20 Feb 03:25 AM PST
Extended Forecast for

2 Miles SSW Clayton CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 52. South southwest wind around 9 mph.

    Low: 52 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 62. West southwest wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 62 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of rain after 10pm.  Partly cloudy, with a low around 50. West southwest wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Slight Chance
    Rain

  • Monday

    Monday: Mostly sunny, with a high near 63. Southwest wind 5 to 7 mph becoming west northwest in the afternoon.

    High: 63 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48. West southwest wind 6 to 8 mph.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 52. South southwest wind around 9 mph.
Sunday
Partly sunny, with a high near 62. West southwest wind 8 to 11 mph, with gusts as high as 20 mph.
Sunday Night
A 20 percent chance of rain after 10pm. Partly cloudy, with a low around 50. West southwest wind 7 to 11 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 63. Southwest wind 5 to 7 mph becoming west northwest in the afternoon.
Monday Night
Mostly clear, with a low around 48. West southwest wind 6 to 8 mph.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Mostly sunny, with a high near 64.
Wednesday Night
Clear, with a low around 46.
Thursday
Sunny, with a high near 64.
Thursday Night
Clear, with a low around 48.
Friday
Sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 50.
Saturday
Sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Clayton CA
 37.91°N 121.96°W (Elev. 1299 ft)
12:26 pm PST Feb 28, 2026
3pm PST Feb 28, 2026-6pm PST Mar 7, 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