Critical Fire Weather in the Plains; Unseasonably Warm in the Southwest and Southern U.S.

Unseasonably warm temperatures continue through the weekend across the Southwest and southern U.S., with more than 100 record or near record maximum temperatures forecast through the rest of the week and over the weekend. Elevated to critical fire weather conditions will persist across the Plains and Southeast U.S. this weekend. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

54°F

12°C

Humidity 23%
Wind Speed NNW 12 MPH
Barometer NA
Dewpoint 17°F (-8°C)
Visibility NA
Last update 27 Mar 09:00 AM PDT
Extended Forecast for

3 Miles S Clayton CA

  • Today

    Today: Partly sunny, with a high near 74. North northeast wind 6 to 9 mph.

    High: 74 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 56. West wind 7 to 9 mph becoming south southwest after midnight.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 73. West wind 6 to 8 mph.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53. West southwest wind around 9 mph.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 78. West southwest wind 6 to 8 mph.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of rain, mainly after 11pm.  Mostly cloudy, with a low around 54.

    Low: 54 °F

    Chance Rain

  • Tuesday

    Tuesday: A chance of rain.  Mostly cloudy, with a high near 59.

    High: 59 °F

    Chance Rain

Detailed Forecast

Today
Partly sunny, with a high near 74. North northeast wind 6 to 9 mph.
Tonight
Mostly clear, with a low around 56. West wind 7 to 9 mph becoming south southwest after midnight.
Saturday
Sunny, with a high near 73. West wind 6 to 8 mph.
Saturday Night
Mostly clear, with a low around 53. West southwest wind around 9 mph.
Sunday
Sunny, with a high near 78. West southwest wind 6 to 8 mph.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Partly sunny, with a high near 68.
Monday Night
A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 54.
Tuesday
A chance of rain. Mostly cloudy, with a high near 59.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 52.
Wednesday
A chance of rain. Partly sunny, with a high near 57.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 47.
Thursday
A chance of rain. Mostly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Clayton CA
 37.9°N 121.92°W (Elev. 1900 ft)
1:26 am PDT Mar 27, 2026
11am PDT Mar 27, 2026-6pm PDT Apr 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database