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

Severe Thunderstorm and Flash Flood Threats Continue into the Weekend

Severe thunderstorms are expected from the southern Plains to the Midwest through Friday night. Severe storm hazards may include large hail, severe winds, and tornadoes, some of which may be strong. There will be another chance for severe thunderstorms on Saturday for portions of Texas, the Lower Mississippi Valley, and the Ohio Valley. Storms could result in locally heavy rain and flash flooding. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

50°F

10°C

Humidity 37%
Wind Speed N 16 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 06 Mar 06:25 PM PST
Extended Forecast for

4 Miles SSE Clayton CA

  • Tonight

    Tonight: Mostly clear, with a low around 54. North wind 16 to 20 mph, with gusts as high as 37 mph.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 74. North northeast wind 16 to 18 mph, with gusts as high as 30 mph.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 57. Northeast wind 9 to 16 mph, with gusts as high as 32 mph.

    Low: 57 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 78. East wind around 6 mph becoming north northeast in the afternoon.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55. Southwest wind around 9 mph.

    Low: 55 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 54. North wind 16 to 20 mph, with gusts as high as 37 mph.
Saturday
Sunny, with a high near 74. North northeast wind 16 to 18 mph, with gusts as high as 30 mph.
Saturday Night
Clear, with a low around 57. Northeast wind 9 to 16 mph, with gusts as high as 32 mph.
Sunday
Sunny, with a high near 78. East wind around 6 mph becoming north northeast in the afternoon.
Sunday Night
Mostly clear, with a low around 55. Southwest wind around 9 mph.
Monday
Sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Sunny, with a high near 68.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 68.
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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:
12:25 pm PST Mar 6, 2026
Forecast Valid:
7pm PST Mar 6, 2026-6pm PDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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