Severe Thunderstorms and Critical Fire Weather Wednesday

Scattered severe thunderstorms are possible across portions of the northern High Plains Wednesday afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin Wednesday. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

52°F

11°C

Humidity 67%
Wind Speed WNW 18 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 13 May 01:30 AM PDT
Extended Forecast for

6 Miles SE Clayton CA

  • Overnight

    Overnight: Mostly clear, with a low around 57. West southwest wind around 17 mph, with gusts as high as 31 mph.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72. West wind 11 to 18 mph, with gusts as high as 36 mph.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 52. West southwest wind 7 to 11 mph, with gusts as high as 23 mph.

    Low: 52 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 81. West wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 56. Southwest wind around 11 mph, with gusts as high as 23 mph.

    Low: 56 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 57. West southwest wind around 17 mph, with gusts as high as 31 mph.
Wednesday
Sunny, with a high near 72. West wind 11 to 18 mph, with gusts as high as 36 mph.
Wednesday Night
Clear, with a low around 52. West southwest wind 7 to 11 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 81. West wind 6 to 10 mph, with gusts as high as 21 mph.
Thursday Night
Clear, with a low around 56. Southwest wind around 11 mph, with gusts as high as 23 mph.
Friday
Sunny, with a high near 82.
Friday Night
Clear, with a low around 57.
Saturday
Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Sunny, with a high near 79. Breezy.
Sunday Night
Clear, with a low around 63.
Monday
Sunny, with a high near 86. Breezy.
Monday Night
Clear, with a low around 63.
Tuesday
Sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Clayton CA
 37.88°N 121.86°W (Elev. 768 ft)
2:39 am PDT May 13, 2026
3am PDT May 13, 2026-6pm PDT May 19, 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