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

3 Miles S Clayton CA

  • Overnight

    Overnight: Mostly clear, with a low around 53. West wind around 6 mph.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78. 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 52. West southwest wind around 9 mph.

    Low: 52 °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 54. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 54 °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 59.

    Low: 59 °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 63.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 53. West wind around 6 mph.
Thursday
Sunny, with a high near 78. Northeast wind 5 to 8 mph becoming northwest in the afternoon.
Thursday Night
Mostly clear, with a low around 52. West southwest wind around 9 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 54. Southwest wind around 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 63.
Monday
Mostly sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Clear, with a low around 66.
Wednesday
Sunny, with a high near 86.
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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:
1:26 pm PDT Mar 11, 2026
Forecast Valid:
1am PDT Mar 12, 2026-6pm PDT Mar 18, 2026
 
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