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

San Francisco, San Francisco International Airport (KSFO)

Lat: 37.61961°NLon: 122.36558°WElev: 10.0ft.

Partly Cloudy

55°F

13°C

Humidity 79%
Wind Speed N 0 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 31 Jan 09:56 PM PST
Extended Forecast for

Belmont CA

Coastal Flood Advisory January 31, 10:03pm until February 1, 12:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory January 31, 10:03pm until February 1, 12:00pm

    NOW until 12:00pm Sun

    Coastal Flood Advisory

  • Tonight

    Low: 46 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 9am.  Otherwise, partly sunny, with a high near 64. Calm wind becoming northwest 5 to 9 mph in the afternoon.

    High: 64 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 47. Northwest wind 5 to 7 mph.

    Low: 47 °F

    Partly Cloudy

  • Monday

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

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

Detailed Forecast

Tonight
Patchy fog between 4am and 5am. Otherwise, partly cloudy, with a low around 46. Calm wind.
Sunday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 64. Calm wind becoming northwest 5 to 9 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 47. Northwest wind 5 to 7 mph.
Monday
Sunny, with a high near 66. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 46. Calm wind.
Tuesday
Sunny, with a high near 68.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Mostly sunny, with a high near 66.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Belmont CA
 37.52°N 122.29°W (Elev. 207 ft)
8:12 pm PST Jan 31, 2026
10pm PST Jan 31, 2026-6pm PST Feb 7, 2026
 
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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