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

83°F

28°C

Humidity 22%
Wind Speed SSE 0 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Heat Index81°F (27°C)
Last update 13 Jul 02:05 PM PDT
Extended Forecast for

4 Miles SSE Clayton CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 79. West southwest wind around 10 mph, with gusts as high as 21 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 66. West southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 80. West southwest wind 7 to 10 mph, with gusts as high as 21 mph.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 64. Southwest wind around 10 mph, with gusts as high as 21 mph.

    Low: 64 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74. West southwest wind around 11 mph, with gusts as high as 22 mph.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 79. West southwest wind around 10 mph, with gusts as high as 21 mph.
Tonight
Clear, with a low around 66. West southwest wind around 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 80. West southwest wind 7 to 10 mph, with gusts as high as 21 mph.
Monday Night
Clear, with a low around 64. Southwest wind around 10 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 74. West southwest wind around 11 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
Sunny, with a high near 71.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Clayton CA
 37.87°N 121.92°W (Elev. 2818 ft)
1:27 pm PDT Jul 13, 2025
2pm 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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