National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

Unseasonably warm temperatures continue today 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 southern Plains today, moving into the central Plains and Southeast U.S on Saturday. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

57°F

14°C

Humidity 25%
Wind Speed N 19 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility NA
Last update 27 Mar 02:50 AM PDT
Extended Forecast for

2 Miles SSE Clayton CA

  • Today

    Today: Partly sunny, with a high near 81. East wind 5 to 7 mph becoming north northwest in the afternoon.

    High: 81 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 54. West wind around 7 mph becoming south southwest after midnight.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80. Southwest wind 5 to 7 mph becoming west northwest in the afternoon.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54. West southwest wind 6 to 8 mph.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 84. West northwest wind 5 to 7 mph.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance Rain

  • Tuesday

    Tuesday: A chance of rain. Mostly cloudy, with a high near 65.

    High: 65 °F

    Chance Rain

Detailed Forecast

Today
Partly sunny, with a high near 81. East wind 5 to 7 mph becoming north northwest in the afternoon.
Tonight
Mostly clear, with a low around 54. West wind around 7 mph becoming south southwest after midnight.
Saturday
Sunny, with a high near 80. Southwest wind 5 to 7 mph becoming west northwest in the afternoon.
Saturday Night
Mostly clear, with a low around 54. West southwest wind 6 to 8 mph.
Sunday
Sunny, with a high near 84. West northwest wind 5 to 7 mph.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Partly sunny, with a high near 74.
Monday Night
A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 56.
Tuesday
A chance of rain. Mostly cloudy, with a high near 65.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 53.
Wednesday
A chance of rain. Partly sunny, with a high near 63.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 49.
Thursday
A chance of rain. Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Clayton CA
 37.92°N 121.93°W (Elev. 600 ft)
Last Update:
1:26 am PDT Mar 27, 2026
Forecast Valid:
5am PDT Mar 27, 2026-6pm PDT Apr 2, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation