Winter Weather Across Portions of the Mid-Atlantic; Heavy Rain Along the Gulf Coast and Southeast

A storm system will continue to slowly move through the Gulf Coast and Southeast U.S. over the next couple of days, bringing a heavy rainfall threat through the weekend. Isolated instances of flooding may occur. On the north side of this storm system, colder air will support areas of mixed wintry precipitation and light snow from the Tennessee Valley to the Mid-Atlantic Friday. 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 26%
Wind Speed N 15 MPH
Barometer NA
Dewpoint 19°F (-7°C)
Visibility NA
Last update 04 Dec 09:20 PM PST
Extended Forecast for

2 Miles SSE Clayton CA

  • Tonight

    Tonight: Mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60. Calm wind becoming north around 6 mph in the morning.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 45. South southwest wind around 6 mph becoming calm  after midnight.

    Low: 45 °F

    Mostly Clear

  • Saturday

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

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 43. Calm wind.
Friday
Sunny, with a high near 60. Calm wind becoming north around 6 mph in the morning.
Friday Night
Mostly clear, with a low around 45. South southwest wind around 6 mph becoming calm after midnight.
Saturday
Sunny, with a high near 61. Calm wind becoming north northwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 47. Calm wind.
Sunday
Mostly sunny, with a high near 61.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 61.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 61.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Mostly sunny, with a high near 62.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Mostly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Clayton CA
 37.92°N 121.93°W (Elev. 600 ft)
7:35 pm PST Dec 4, 2025
9pm PST Dec 4, 2025-6pm PST Dec 11, 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