Heat Continues Across the Central and Western U.S.; Tracking Hazardous Weather Across the Northern U.S.

Early-season record warmth will persist across portions of the western and central U.S. through mid week, with high temperatures approaching 90 degrees from Texas to the Ohio Valley. Rain and mountain snow are possible across the Pacific Northwest Wednesday, with Severe Thunderstorms and wintry weather expected across the Northeast Thursday and Friday. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

65°F

18°C

Humidity 12%
Wind Speed NW 8 MPH
Barometer NA
Dewpoint 12°F (-11°C)
Visibility NA
Last update 24 Mar 07:35 AM PDT
Extended Forecast for

4 Miles S Clayton CA

  • Today

    Today: Sunny, with a high near 73. Northwest wind 8 to 14 mph, with gusts as high as 23 mph.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 54. West wind around 14 mph, with gusts as high as 25 mph.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67. West wind 13 to 15 mph, with gusts as high as 26 mph.

    High: 67 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48. West southwest wind 14 to 18 mph, with gusts as high as 33 mph.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 65. West southwest wind 10 to 13 mph becoming north in the morning. Winds could gust as high as 22 mph.

    High: 65 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Friday Night

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

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 73. Northwest wind 8 to 14 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 54. West wind around 14 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 67. West wind 13 to 15 mph, with gusts as high as 26 mph.
Wednesday Night
Partly cloudy, with a low around 48. West southwest wind 14 to 18 mph, with gusts as high as 33 mph.
Thursday
Mostly sunny, with a high near 65. West southwest wind 10 to 13 mph becoming north in the morning. Winds could gust as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Mostly sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Mostly sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 54.
Monday
A slight chance of rain. Partly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Clayton CA
 37.87°N 121.92°W (Elev. 2818 ft)
8:46 am PDT Mar 24, 2026
8am PDT Mar 24, 2026-6pm PDT Mar 30, 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