Severe Thunderstorms and Heavy Rain in the Southern U.S.; Snow in the Northern Rockies and Northern Plains

A storm system will shift from eastern Texas into the lower Mississippi Valley today with additional threats of severe thunderstorms and heavy to excessive rainfall which may bring flooding. In the northern U.S., a storm will bring heavy snow and gusty winds over parts of the northern Rockies, northern Plains, and Upper Midwest today into Wednesday. 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 17%
Wind Speed NNW 4 MPH
Barometer NA
Dewpoint 10°F (-12°C)
Visibility NA
Last update 24 Nov 08:20 AM PST
Extended Forecast for

4 Miles S Clayton CA

  • Today

    Today: Mostly sunny, with a high near 52. North wind 5 to 7 mph.

    High: 52 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 45. North northeast wind around 7 mph.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a steady temperature around 48. North northeast wind around 8 mph.

    High: 48 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 41. Northeast wind around 5 mph.

    Low: 41 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 50. Northeast wind around 7 mph.

    High: 50 °F

    Sunny

  • Wednesday Night

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

    Low: 42 °F

    Mostly Clear

  • Thanksgiving Day

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

    High: 50 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 52. North wind 5 to 7 mph.
Tonight
Mostly clear, with a low around 45. North northeast wind around 7 mph.
Tuesday
Sunny, with a steady temperature around 48. North northeast wind around 8 mph.
Tuesday Night
Mostly clear, with a low around 41. Northeast wind around 5 mph.
Wednesday
Sunny, with a high near 50. Northeast wind around 7 mph.
Wednesday Night
Mostly clear, with a low around 42.
Thanksgiving Day
Mostly sunny, with a high near 50.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 49.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 47.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Mostly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Clayton CA
 37.87°N 121.92°W (Elev. 2818 ft)
12:26 am PST Nov 24, 2025
8am PST Nov 24, 2025-6pm PST Nov 30, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database