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

49°F

9°C

Humidity 92%
Wind Speed SE 4 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 31 Jan 06:56 AM PST
Extended Forecast for

2 Miles SE Colma CA

Coastal Flood Advisory January 31, 07:04am until February 1, 12:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory January 31, 07:04am until February 1, 12:00pm

    NOW until 12:00pm Sun

    Coastal Flood Advisory

  • Today

    High: 66 °F

    Partly Sunny

  • Tonight

    Tonight: Patchy fog after 4am.  Otherwise, partly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 10am.  Otherwise, partly sunny, with a high near 63. Calm wind becoming west northwest 5 to 9 mph in the morning.

    High: 63 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 48. West northwest wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 48 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 64. Calm wind becoming northwest 5 to 8 mph in the morning.

    High: 64 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47.

    Low: 47 °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 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Today
Partly sunny, with a high near 66. Northeast wind 3 to 7 mph.
Tonight
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 47. Calm wind.
Sunday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 63. Calm wind becoming west northwest 5 to 9 mph in the morning.
Sunday Night
Partly cloudy, with a low around 48. West northwest wind 8 to 10 mph, with gusts as high as 18 mph.
Monday
Mostly sunny, with a high near 64. Calm wind becoming northwest 5 to 8 mph in the morning.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 67.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Colma CA
 37.65°N 122.44°W (Elev. 197 ft)
4:03 am PST Jan 31, 2026
7am PST Jan 31, 2026-6pm PST Feb 6, 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