National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Critical Fire Weather for a Large Part of the Central U.S.; Areas of Severe Thunderstorms

Gusty to high winds and low relative humidity will bring elevated to critical fire weather across large parts of the Great Plains and more localized parts of the Great Basin and central Rockies Thursday into Friday. Severe thunderstorms with large hail and damaging wind gusts are possible over the central Plains Thursday into this weekend. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

60°F

16°C

Humidity 50%
Wind Speed NNW 11 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 14 May 12:35 AM PDT
Extended Forecast for

4 Miles SSE Clayton CA

  • Overnight

    Overnight: Clear, with a low around 47. North northwest wind around 10 mph.

    Low: 47 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 70. North wind 8 to 13 mph becoming west southwest in the afternoon. Winds could gust as high as 22 mph.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 52. West southwest wind 9 to 15 mph becoming north northwest after midnight. Winds could gust as high as 26 mph.

    Low: 52 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 71. West wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 71 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 56. West southwest wind 13 to 16 mph, with gusts as high as 28 mph.

    Low: 56 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 68. Breezy.

    High: 68 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 47. North northwest wind around 10 mph.
Thursday
Sunny, with a high near 70. North wind 8 to 13 mph becoming west southwest in the afternoon. Winds could gust as high as 22 mph.
Thursday Night
Clear, with a low around 52. West southwest wind 9 to 15 mph becoming north northwest after midnight. Winds could gust as high as 26 mph.
Friday
Sunny, with a high near 71. West wind 10 to 13 mph, with gusts as high as 22 mph.
Friday Night
Clear, with a low around 56. West southwest wind 13 to 16 mph, with gusts as high as 28 mph.
Saturday
Sunny, with a high near 66.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 68. Breezy.
Sunday Night
Mostly clear, with a low around 64.
Monday
Sunny, with a high near 75. Breezy.
Monday Night
Clear, with a low around 60.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Clayton CA
 37.87°N 121.92°W (Elev. 2818 ft)
Last Update:
11:26 pm PDT May 13, 2026
Forecast Valid:
12am PDT May 14, 2026-6pm PDT May 20, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation