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

Widespread Rain from Texas to the Central Appalachians; Heavy to Excessive Rainfall in Southern California and the Southwest

Scattered thunderstorms and widespread showers are expected from the Texas coast to the central Appalachians today. Heavy to excessive rainfall will continue in southern California into the Desert Southwest through Saturday. Heavy rain will pose a risk of flash flooding, especially across burn scar and urbanized regions. 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 46%
Wind Speed WSW 1 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 23 Nov 10:50 AM PST
Extended Forecast for

4 Miles SSE Clayton CA

  • Today

    Today: Sunny, with a high near 52. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 52 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a steady temperature around 47. West wind 3 to 5 mph.

    Low: 47 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 51. North northeast wind 6 to 8 mph.

    High: 51 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43. North wind 5 to 7 mph.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 49. North northeast wind around 9 mph.

    High: 49 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 52. Calm wind becoming northwest around 5 mph in the afternoon.
Tonight
Partly cloudy, with a steady temperature around 47. West wind 3 to 5 mph.
Monday
Mostly sunny, with a high near 51. North northeast wind 6 to 8 mph.
Monday Night
Mostly clear, with a low around 43. North wind 5 to 7 mph.
Tuesday
Mostly sunny, with a high near 49. North northeast wind around 9 mph.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Mostly sunny, with a high near 49.
Wednesday Night
Partly cloudy, with a low around 42.
Thanksgiving Day
Mostly sunny, with a high near 50.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 50.
Friday Night
Partly cloudy, with a low around 44.
Saturday
A slight chance of rain. Mostly sunny, with a high near 47.
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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:
12:31 am PST Nov 23, 2025
Forecast Valid:
11am PST Nov 23, 2025-6pm PST Nov 29, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation