Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.

NA

61°F

16°C

Humidity 16%
Wind Speed ENE 2 MPH
Barometer NA
Dewpoint 15°F (-9°C)
Visibility NA
Last update 31 Jan 06:35 AM PST
Extended Forecast for

4 Miles ENE Danville CA

  • Today

    Today: Partly sunny, with a high near 66. East northeast wind 3 to 5 mph.

    High: 66 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 66. Calm wind becoming northwest 5 to 9 mph in the morning.

    High: 66 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 43. West northwest wind 5 to 7 mph.

    Low: 43 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 66. Calm wind becoming north northwest 5 to 7 mph in the afternoon.

    High: 66 °F

    Sunny

  • Monday Night

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

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 66. East northeast wind 3 to 5 mph.
Tonight
Partly cloudy, with a low around 43. Calm wind.
Sunday
Partly sunny, with a high near 66. Calm wind becoming northwest 5 to 9 mph in the morning.
Sunday Night
Partly cloudy, with a low around 43. West northwest wind 5 to 7 mph.
Monday
Sunny, with a high near 66. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Sunny, with a high near 67.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 68.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Danville CA
 37.85°N 121.94°W (Elev. 1362 ft)
4:03 am PST Jan 31, 2026
6am PST Jan 31, 2026-6pm PST Feb 6, 2026
 
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