Heavy to Excessive Rainfall and Flooding Threats in the Central and Eastern U.S.; Heat and Fire Weather Concerns in the West

Thunderstorms producing excessive rainfall and potential flooding concerns will continue through tonight from the Southern Plains to the East Coast. Areas of greatest concern for flooding are over central Texas and the Mid-Atlantic. Heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue through Monday. Read More >

Current conditions at

Mount Diablo Summit Museum and Trailhead Rooftop (SJS02)

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

NA

85°F

29°C

Humidity 21%
Wind Speed SSE 2 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Heat Index82°F (28°C)
Last update 13 Jul 01:20 PM PDT
Extended Forecast for

3 Miles S Clayton CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 81. West southwest wind around 11 mph, with gusts as high as 22 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 65. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 65 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 84. West southwest wind 7 to 11 mph, with gusts as high as 22 mph.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 63. Southwest wind 11 to 13 mph, with gusts as high as 22 mph.

    Low: 63 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. West southwest wind 10 to 13 mph, with gusts as high as 23 mph.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 81. West southwest wind around 11 mph, with gusts as high as 22 mph.
Tonight
Clear, with a low around 65. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Monday
Sunny, with a high near 84. West southwest wind 7 to 11 mph, with gusts as high as 22 mph.
Monday Night
Clear, with a low around 63. Southwest wind 11 to 13 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 77. West southwest wind 10 to 13 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 74.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Clayton CA
 37.9°N 121.92°W (Elev. 1900 ft)
1:27 pm PDT Jul 13, 2025
1pm PDT Jul 13, 2025-6pm PDT Jul 19, 2025
 
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Additional Resources

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Hourly Weather Forecast

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