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

Critical Fire Weather in the Southern Plains; Severe Storms in the Ohio Valley

Strong winds and low humidity will create elevated to critical fire weather conditions across the Southern Plains on Thursday. Strong to severe thunderstorms are forecast in the Ohio Valley late Thursday into Friday morning, with the strongest storms capable of producing very large hail, damaging winds, and a few tornadoes. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

56°F

13°C

Humidity 38%
Wind Speed NW 13 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 26 Mar 02:20 AM PDT
Extended Forecast for

4 Miles SSE Clayton CA

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 54. Northwest wind 11 to 13 mph, with gusts as high as 22 mph.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 68. North wind 9 to 15 mph, with gusts as high as 28 mph.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 54. North wind 7 to 10 mph, with gusts as high as 30 mph.

    Low: 54 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 69. North northeast wind 6 to 9 mph.

    High: 69 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51. West northwest wind 8 to 10 mph becoming southwest in the evening. Winds could gust as high as 20 mph.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 54. Northwest wind 11 to 13 mph, with gusts as high as 22 mph.
Thursday
Mostly sunny, with a high near 68. North wind 9 to 15 mph, with gusts as high as 28 mph.
Thursday Night
Mostly cloudy, with a low around 54. North wind 7 to 10 mph, with gusts as high as 30 mph.
Friday
Partly sunny, with a high near 69. North northeast wind 6 to 9 mph.
Friday Night
Partly cloudy, with a low around 51. West northwest wind 8 to 10 mph becoming southwest in the evening. Winds could gust as high as 20 mph.
Saturday
Sunny, with a high near 70.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Partly sunny, with a high near 65.
Monday Night
A chance of rain. Mostly cloudy, with a low around 53.
Tuesday
Rain likely. Mostly cloudy, with a high near 57.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 52.
Wednesday
A chance of rain. Partly sunny, with a high near 56.
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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:
2:31 am PDT Mar 26, 2026
Forecast Valid:
3am PDT Mar 26, 2026-6pm PDT Apr 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation