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

78°F

26°C

Humidity 20%
Wind Speed SW 8 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Heat Index77°F (25°C)
Last update 13 Jul 05:50 PM PDT
Extended Forecast for

2 Miles SSW Clayton CA

  • Tonight

    Tonight: Clear, with a low around 58. Southwest wind 9 to 11 mph, with gusts as high as 18 mph.

    Low: 58 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 86. West southwest wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. Southwest wind 11 to 13 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79. West southwest wind 11 to 13 mph, with gusts as high as 22 mph.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56. West southwest wind around 14 mph, with gusts as high as 23 mph.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Thursday Night

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

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 58. Southwest wind 9 to 11 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 86. West southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 57. Southwest wind 11 to 13 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 79. West southwest wind 11 to 13 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 56. West southwest wind around 14 mph, with gusts as high as 23 mph.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Sunny, with a high near 82.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Clayton CA
 37.91°N 121.96°W (Elev. 1299 ft)
2:42 pm PDT Jul 13, 2025
6pm PDT Jul 13, 2025-6pm PDT Jul 20, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database