Severe Thunderstorms and Heavy Rain in the Central Plains; Dry Thunderstorms and Critical Fire Weather in the West

Severe thunderstorms and heavy rain may produce large to very-large hail, severe winds, tornadoes and numerous instances of flash flooding across portions of the central Plains. Scattered slow-moving storms will continue to bring a flash flooding threat to the central Gulf Coast. Elevated to critical fire weather conditions are expected across much of the western U.S.. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

N/A

Humidity 28%
Wind Speed NW 9 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update 17 May 05:05 PM PDT
Extended Forecast for

4 Miles SSE Clayton CA

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 63. Southwest wind around 11 mph, with gusts as high as 22 mph.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 64. West southwest wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 64 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53. Southwest wind 11 to 13 mph, with gusts as high as 25 mph.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 69. West southwest wind 9 to 11 mph, with gusts as high as 22 mph.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. Southwest wind 11 to 14 mph, with gusts as high as 24 mph.

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 63. Southwest wind around 11 mph, with gusts as high as 22 mph.
Saturday
Sunny, with a high near 64. West southwest wind 9 to 14 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 53. Southwest wind 11 to 13 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 69. West southwest wind 9 to 11 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 57. Southwest wind 11 to 14 mph, with gusts as high as 24 mph.
Monday
Sunny, with a high near 72.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Clear, with a low around 61.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Clear, with a low around 63.
Thursday
Sunny, with a high near 73.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Clayton CA
 37.87°N 121.92°W (Elev. 2818 ft)
1:26 am PDT Jun 20, 2026
3am PDT Jun 20, 2026-6pm PDT Jun 26, 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