Heavy Rain in the Southeast; Wintry Mix from the Plains through the Ohio Valley

A storm system will bring a number impacts to the central and eastern US. Heavy rain and thunderstorms are expected in the Gulf Coast and Deep South. Further north, a wintry mix may produce a glaze of ice from the Ozarks/Mid-South east through the Ohio Valley. Accumulating snow is expected from the central Plains east into the Upper Ohio Valley/Lower Great Lakes. 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 43%
Wind Speed SSW 4 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 01 Dec 04:40 PM PST
Extended Forecast for

2 Miles S Clayton CA

  • Tonight

    Tonight: Increasing clouds, with a low around 44. Southeast wind 3 to 7 mph.

    Low: 44 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 61. Calm wind becoming north around 5 mph in the afternoon.

    High: 61 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 43. Southwest wind around 5 mph becoming calm.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 60. North northeast wind 7 to 14 mph, with gusts as high as 22 mph.

    High: 60 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 41. East wind around 6 mph becoming calm  in the evening.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 44. Southeast wind 3 to 7 mph.
Tuesday
Sunny, with a high near 61. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 43. Southwest wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 60. North northeast wind 7 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 41. East wind around 6 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 56.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 60.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 60.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Clayton CA
 37.92°N 121.93°W (Elev. 600 ft)
12:26 pm PST Dec 1, 2025
4pm PST Dec 1, 2025-6pm PST Dec 8, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database