Severe Thunderstorms in the Northern Plains and Upper Midwest; Critical Fire Weather in the West; Dangerous Heat in the Central and Eastern U.S.

Severe thunderstorms are likely today across the northern Plains and into the upper Mississippi Valley. Gusty winds and dry conditions will result in widespread critical fire weather through Saturday across parts of the Four Corners region and the Great Basin. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Read More >

Current conditions at

Mount Diablo Summit Museum and Trailhead Rooftop (SJS02)

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

NA

55°F

13°C

Humidity 22%
Wind Speed WNW 14 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility NA
Last update 20 Jun 06:05 AM PDT
Extended Forecast for

5 Miles SSE Clayton CA

  • Today

    Today: Sunny, with a high near 60. West wind 14 to 20 mph, with gusts as high as 28 mph.

    High: 60 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 48. Northwest wind 11 to 18 mph, with gusts as high as 31 mph.

    Low: 48 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 67. West northwest wind 11 to 13 mph, with gusts as high as 24 mph.

    High: 67 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 57. West wind 9 to 13 mph, with gusts as high as 23 mph.

    Low: 57 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 70. West wind around 10 mph, with gusts as high as 21 mph.

    High: 70 °F

    Sunny

  • Sunday Night

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

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 60. West wind 14 to 20 mph, with gusts as high as 28 mph.
Tonight
Clear, with a low around 48. Northwest wind 11 to 18 mph, with gusts as high as 31 mph.
Saturday
Sunny, with a high near 67. West northwest wind 11 to 13 mph, with gusts as high as 24 mph.
Saturday Night
Clear, with a low around 57. West wind 9 to 13 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 70. West wind around 10 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 56.
Monday
Sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Clear, with a low around 58.
Thursday
Sunny, with a high near 75.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Clayton CA
 37.87°N 121.92°W (Elev. 2818 ft)
2:15 am PDT Jun 20, 2025
6am PDT Jun 20, 2025-6pm PDT Jun 26, 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