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 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

62°F

17°C

Humidity 28%
Wind Speed NNW 2 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 27 Mar 01:15 PM PDT
Extended Forecast for

2 Miles S Clayton CA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 80. North northwest wind around 7 mph.

    High: 80 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. West wind around 7 mph becoming south southwest in the evening.

    Low: 55 °F

    Mostly Clear

  • Saturday

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

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55. Southwest wind around 7 mph.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 83. West wind 5 to 7 mph.

    High: 83 °F

    Sunny

  • Sunday Night

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

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 74.

    High: 74 °F

    Mostly Cloudy

  • Monday Night

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

    Low: 54 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A slight chance of rain. Partly sunny, with a high near 63.

    High: 63 °F

    Slight Chance
    Rain

Detailed Forecast

This Afternoon
Partly sunny, with a high near 80. North northwest wind around 7 mph.
Tonight
Mostly clear, with a low around 55. West wind around 7 mph becoming south southwest in the evening.
Saturday
Sunny, with a high near 80. South southwest wind 5 to 7 mph becoming west in the afternoon.
Saturday Night
Mostly clear, with a low around 55. Southwest wind around 7 mph.
Sunday
Sunny, with a high near 83. West wind 5 to 7 mph.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly cloudy, with a high near 74.
Monday Night
A slight chance of rain after 11pm. Mostly cloudy, with a low around 54.
Tuesday
A slight chance of rain. Partly sunny, with a high near 63.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 51.
Wednesday
A chance of rain. Partly sunny, with a high near 64.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 51.
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 S Clayton CA
 37.92°N 121.93°W (Elev. 600 ft)
Last Update:
1:31 pm PDT Mar 27, 2026
Forecast Valid:
1pm 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