Severe Weather and Heavy Rain from the Mid-South to the Mid-Atlantic; Building Heat in the West

Severe thunderstorms may bring damaging winds, a couple of tornadoes, and heavy rain across portions of the Mid-Atlantic into the Mid-South. Severe storms may produce hail across the northern/central High Plains. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Fire weather concerns continue for Interior Alaska and the Four Corners region. 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

2 Miles S Clayton CA

  • Today

    Today: Sunny, with a high near 82. West southwest wind 9 to 11 mph, with gusts as high as 22 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 55. Southwest wind 9 to 13 mph, with gusts as high as 24 mph.

    Low: 55 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83. West southwest wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 56. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 56 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. West wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 82. West southwest wind 9 to 11 mph, with gusts as high as 22 mph.
Tonight
Clear, with a low around 55. Southwest wind 9 to 13 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 83. West southwest wind 8 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
Clear, with a low around 56. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Wednesday
Sunny, with a high near 84. West wind 8 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 77.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 74.
Saturday Night
Clear, with a low around 54.
Sunday
Sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Clayton CA
 37.92°N 121.93°W (Elev. 600 ft)
9:47 am PDT Jun 22, 2026
10am PDT Jun 22, 2026-6pm PDT Jun 28, 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