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

Severe Thunderstorms Likely in the Central U.S.; Flooding Possible for portions of Oklahoma/Texas/Arkansas and the Marianas.

Severe thunderstorms are likely from the southern Plains to the Midwest through Friday. Large hail, damaging winds, and tornadoes are all possible. An Enhanced (level 3 of 5) risk is in effect. Flash flooding is possible across portions of Oklahoma, Texas, and Arkansas on Friday. A Slight (level 2 of 4) risk is in effect. Flooding rain may impact Guam and the Marianas through next week. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

37°F

3°C

Humidity 67%
Wind Speed NNW 20 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Wind Chill27°F (-3°C)
Last update 05 Mar 06:45 AM PST
Extended Forecast for

3 Miles S Clayton CA

  • Today

    Today: Sunny, with a high near 62. Breezy, with a north wind 18 to 22 mph, with gusts as high as 38 mph.

    High: 62 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Clear, with a low around 51. Breezy, with a north wind 15 to 24 mph, with gusts as high as 48 mph.

    Low: 51 °F

    Clear then
    Mostly Clear
    and Breezy

  • Friday

    Friday: Sunny, with a high near 68. North wind 18 to 21 mph, with gusts as high as 40 mph.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55. North wind around 18 mph, with gusts as high as 43 mph.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 74. North northeast wind 17 to 21 mph, with gusts as high as 41 mph.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 53.

    Low: 53 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 54.

    Low: 54 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 62. Breezy, with a north wind 18 to 22 mph, with gusts as high as 38 mph.
Tonight
Clear, with a low around 51. Breezy, with a north wind 15 to 24 mph, with gusts as high as 48 mph.
Friday
Sunny, with a high near 68. North wind 18 to 21 mph, with gusts as high as 40 mph.
Friday Night
Mostly clear, with a low around 55. North wind around 18 mph, with gusts as high as 43 mph.
Saturday
Sunny, with a high near 74. North northeast wind 17 to 21 mph, with gusts as high as 41 mph.
Saturday Night
Clear, with a low around 53.
Sunday
Sunny, with a high near 77.
Sunday Night
Clear, with a low around 54.
Monday
Sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Clayton CA
 37.9°N 121.92°W (Elev. 1900 ft)
Last Update:
12:46 am PST Mar 5, 2026
Forecast Valid:
9am PST Mar 5, 2026-6pm PDT Mar 11, 2026
 
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