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 33%
Wind Speed NNE 16 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 06 Mar 10:40 PM PST
Extended Forecast for

4 Miles SSE Clayton CA

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 58. North northeast wind around 15 mph, with gusts as high as 30 mph.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 73. North northeast wind 15 to 17 mph, with gusts as high as 30 mph.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 58. North wind 7 to 10 mph, with gusts as high as 21 mph.

    Low: 58 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 78. East wind around 7 mph becoming north 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 64.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 58. North northeast wind around 15 mph, with gusts as high as 30 mph.
Saturday
Sunny, with a high near 73. North northeast wind 15 to 17 mph, with gusts as high as 30 mph.
Saturday Night
Clear, with a low around 58. North wind 7 to 10 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 78. East wind around 7 mph becoming north in the afternoon.
Sunday Night
Mostly clear, with a low around 55. Southwest wind around 9 mph.
Monday
Sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Partly sunny, with a high near 63.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Sunny, with a high near 69.
Thursday Night
Mostly clear, with a low around 50.
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:
12:26 am PST Mar 7, 2026
Forecast Valid:
1am PST Mar 7, 2026-6pm PDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation