Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

SAN FRANCISCO DOWNTOWN (SFOC1)

Lat: 37.77056°NLon: 122.42694°WElev: 150.0ft.

NA

52°F

11°C

Humidity 73%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 21 Jan 10:43 AM PST
Extended Forecast for

4 Miles NW San Francisco CA

  • Today

    Today: Cloudy, with a high near 58. North northeast wind around 6 mph becoming west northwest in the afternoon.

    High: 58 °F

    Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 51. Light and variable wind becoming south southwest around 5 mph.

    Low: 51 °F

    Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 58. West southwest wind 3 to 7 mph.

    High: 58 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 50. West wind around 7 mph.

    Low: 50 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 57. Southeast wind around 6 mph becoming north in the afternoon.

    High: 57 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

Detailed Forecast

Today
Cloudy, with a high near 58. North northeast wind around 6 mph becoming west northwest in the afternoon.
Tonight
Cloudy, with a low around 51. Light and variable wind becoming south southwest around 5 mph.
Thursday
Partly sunny, with a high near 58. West southwest wind 3 to 7 mph.
Thursday Night
Mostly cloudy, with a low around 50. West wind around 7 mph.
Friday
Mostly sunny, with a high near 57. Southeast wind around 6 mph becoming north in the afternoon.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Partly sunny, with a high near 57.
Sunday Night
Mostly cloudy, with a low around 47.
Monday
Partly sunny, with a high near 59.
Monday Night
Mostly cloudy, with a low around 47.
Tuesday
Partly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW San Francisco CA
 37.81°N 122.48°W (Elev. 0 ft)
2:13 am PST Jan 21, 2026
11am PST Jan 21, 2026-6pm PST Jan 27, 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