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

3 Miles S Clayton CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Cloudy

  • Saturday

    Saturday: Increasing clouds, with a high near 80. Calm wind becoming west 5 to 9 mph in the morning.

    High: 80 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 50. Southwest wind 11 to 13 mph, with gusts as high as 22 mph.

    Low: 50 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 60. West southwest wind around 11 mph, with gusts as high as 21 mph.

    High: 60 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 49. West southwest wind 10 to 14 mph, with gusts as high as 24 mph.

    Low: 49 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Monday Night

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

    Low: 47 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 47 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 58. Calm wind.
Saturday
Increasing clouds, with a high near 80. Calm wind becoming west 5 to 9 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 50. Southwest wind 11 to 13 mph, with gusts as high as 22 mph.
Sunday
Partly sunny, with a high near 60. West southwest wind around 11 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 49. West southwest wind 10 to 14 mph, with gusts as high as 24 mph.
Monday
Mostly sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 62.
Tuesday Night
Mostly cloudy, with a low around 47.
Wednesday
Mostly sunny, with a high near 60.
Wednesday Night
Clear, with a low around 44.
Thursday
Sunny, with a high near 61.
Thursday Night
Clear, with a low around 48.
Friday
Sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Clayton CA
 37.9°N 121.92°W (Elev. 1900 ft)
3:04 pm PST Feb 27, 2026
7pm PST Feb 27, 2026-6pm PST Mar 6, 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