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

Spring Weather Hazards Across the U.S. Thursday

Gusty winds and low relative humidity will bring critical fire weather to the central and southern Plains and south Texas Thursday. Widespread high winds will continue to impact the interior Northwest, northern Plains, and Upper Midwest Thursday. A storm tracking across the northern Plains, Great Lakes and into the Northeast U.S. will bring heavy snow and gusty winds Thursday into Saturday. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

62°F

17°C

Humidity 21%
Wind Speed NNW 7 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Last update 12 Mar 12:40 AM PDT
Extended Forecast for

4 Miles S Clayton CA

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 60. Northwest wind around 7 mph.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78. North northeast wind 5 to 8 mph becoming northwest in the afternoon.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53. West southwest wind 9 to 11 mph, with gusts as high as 18 mph.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 77. West southwest wind around 7 mph becoming northwest in the morning.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 55. Southwest wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 55 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 60. Northwest wind around 7 mph.
Thursday
Sunny, with a high near 78. North northeast wind 5 to 8 mph becoming northwest in the afternoon.
Thursday Night
Mostly clear, with a low around 53. West southwest wind 9 to 11 mph, with gusts as high as 18 mph.
Friday
Mostly sunny, with a high near 77. West southwest wind around 7 mph becoming northwest in the morning.
Friday Night
Mostly cloudy, with a low around 55. Southwest wind 10 to 13 mph, with gusts as high as 22 mph.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 67.
Monday
Mostly sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 69.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Clayton CA
 37.87°N 121.92°W (Elev. 2818 ft)
Last Update:
1:26 am PDT Mar 12, 2026
Forecast Valid:
1am PDT Mar 12, 2026-6pm PDT Mar 18, 2026
 
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Additional Resources

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