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

52°F

11°C

Humidity 40%
Wind Speed N 5 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 24 Nov 12:05 PM PST
Extended Forecast for

2 Miles S Clayton CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 60. North wind around 6 mph.

    High: 60 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 46. East wind 3 to 5 mph.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 60. Northeast wind 3 to 7 mph.

    High: 60 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44. Light east southeast wind.

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 60. East northeast wind 5 to 7 mph.

    High: 60 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 60. North wind around 6 mph.
Tonight
Mostly clear, with a low around 46. East wind 3 to 5 mph.
Tuesday
Sunny, with a high near 60. Northeast wind 3 to 7 mph.
Tuesday Night
Mostly clear, with a low around 44. Light east southeast wind.
Wednesday
Sunny, with a high near 60. East northeast wind 5 to 7 mph.
Wednesday Night
Mostly clear, with a low around 45.
Thanksgiving Day
Mostly sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Mostly sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Mostly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Clayton CA
 37.92°N 121.93°W (Elev. 600 ft)
8:43 am PST Nov 24, 2025
12pm 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