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

Severe Thunderstorms and Heavy Rain from the Southern Plains to the Ohio Valley; Wintry Mix in the Northeast

Numerous showers and thunderstorms, some severe, are expected from the southern Plains to the Ohio Valley. The repeating nature of some showers and thunderstorms may lead to isolated flash flooding across the Ohio Valley. An area of freezing rain, with some snow on the northern edge, will cause hazardous travel conditions over portions of New England. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

54°F

12°C

Humidity 72%
Wind Speed SSE 2 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 03 Mar 04:10 PM PST
Extended Forecast for

2 Miles SSE Clayton CA

  • Tonight

    Tonight: Increasing clouds, with a low around 49. Southwest wind 9 to 11 mph, with gusts as high as 22 mph.

    Low: 49 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 64. West wind 15 to 18 mph, with gusts as high as 31 mph.

    High: 64 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 43. West northwest wind 10 to 15 mph, with gusts as high as 29 mph.

    Low: 43 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 65. North northwest wind 13 to 18 mph, with gusts as high as 32 mph.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 48. North northwest wind around 15 mph, with gusts as high as 32 mph.

    Low: 48 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 50.

    Low: 50 °F

    Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 49. Southwest wind 9 to 11 mph, with gusts as high as 22 mph.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 64. West wind 15 to 18 mph, with gusts as high as 31 mph.
Wednesday Night
Clear, with a low around 43. West northwest wind 10 to 15 mph, with gusts as high as 29 mph.
Thursday
Sunny, with a high near 65. North northwest wind 13 to 18 mph, with gusts as high as 32 mph.
Thursday Night
Clear, with a low around 48. North northwest wind around 15 mph, with gusts as high as 32 mph.
Friday
Sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 73.
Saturday Night
Clear, with a low around 50.
Sunday
Sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 51.
Monday
Sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Clayton CA
 37.92°N 121.93°W (Elev. 600 ft)
Last Update:
12:26 pm PST Mar 3, 2026
Forecast Valid:
9pm PST Mar 3, 2026-6pm PDT Mar 10, 2026
 
Forecast Discussion
 
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