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

Heat Persists Across the Central and Western U.S.; Fire Weather Concerns in the Rockies and High Plains

Record-breaking heat expected in the Central and Western U.S. for the next several days. Gusty winds and low relative humidity will create elevated to critical fire weather conditions over portions of the Rockies and High Plains Wednesday and Thursday. Rain and mountain snow are possible across the Pacific Northwest into the Rockies through Wednesday. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

61°F

16°C

Humidity 13%
Wind Speed WNW 12 MPH
Barometer NA
Dewpoint 11°F (-12°C)
Visibility NA
Last update 25 Mar 02:25 AM PDT
Extended Forecast for

2 Miles S Clayton CA

  • Today

    Today: Sunny, with a high near 78. West wind 9 to 14 mph, with gusts as high as 25 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 49. West southwest wind 8 to 14 mph, with gusts as high as 28 mph.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 76. South southwest wind 7 to 11 mph becoming north in the morning. Winds could gust as high as 22 mph.

    High: 76 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56. North wind 6 to 10 mph becoming west after midnight. Winds could gust as high as 21 mph.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 79. North wind 5 to 7 mph.

    High: 79 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 78. West wind 9 to 14 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 49. West southwest wind 8 to 14 mph, with gusts as high as 28 mph.
Thursday
Mostly sunny, with a high near 76. South southwest wind 7 to 11 mph becoming north in the morning. Winds could gust as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 56. North wind 6 to 10 mph becoming west after midnight. Winds could gust as high as 21 mph.
Friday
Partly sunny, with a high near 79. North wind 5 to 7 mph.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 55.
Monday
A slight chance of rain. Partly sunny, with a high near 72.
Monday Night
A chance of rain. Mostly cloudy, with a low around 54.
Tuesday
A chance of rain. Partly sunny, with a high near 66.
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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:
1:56 am PDT Mar 25, 2026
Forecast Valid:
4am PDT Mar 25, 2026-6pm PDT Mar 31, 2026
 
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