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

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

Current conditions at

SAN FRANCISCO DOWNTOWN (SFOC1)

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

NA

50°F

10°C

Humidity 78%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 20 Jan 09:43 AM PST
Extended Forecast for

San Francisco CA

  • Today

    Today: Partly sunny, with a high near 61. North wind around 7 mph.

    High: 61 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 49. North wind 3 to 5 mph.

    Low: 49 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 60. Light northeast wind.

    High: 60 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 49. Light west wind.

    Low: 49 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 61. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 61 °F

    Partly Sunny

  • Thursday Night

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

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Friday Night

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

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 61. North wind around 7 mph.
Tonight
Mostly cloudy, with a low around 49. North wind 3 to 5 mph.
Wednesday
Mostly cloudy, with a high near 60. Light northeast wind.
Wednesday Night
Mostly cloudy, with a low around 49. Light west wind.
Thursday
Partly sunny, with a high near 61. Calm wind becoming west northwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 61.
Friday Night
Mostly clear, with a low around 47.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Partly sunny, with a high near 61.
Sunday Night
Mostly cloudy, with a low around 48.
Monday
Partly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
San Francisco CA
 37.77°N 122.41°W (Elev. 131 ft)
12:26 am PST Jan 20, 2026
10am PST Jan 20, 2026-6pm PST Jan 26, 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