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, San Francisco International Airport (KSFO)

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

Mostly Cloudy

54°F

12°C

Humidity 76%
Wind Speed N 0 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 20 Jan 08:20 PM PST
Extended Forecast for

2 Miles ESE Colma CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 49. Light north wind.

    Low: 49 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 61. Light and variable wind.

    High: 61 °F

    Cloudy

  • Wednesday Night

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

    Low: 49 °F

    Mostly Cloudy

  • Thursday

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

    High: 61 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 49. West wind around 5 mph becoming calm  in the evening.

    Low: 49 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Friday Night

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

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 49. Light north wind.
Wednesday
Cloudy, with a high near 61. Light and variable wind.
Wednesday Night
Mostly cloudy, with a low around 49. Calm wind.
Thursday
Mostly cloudy, with a high near 61. Calm wind becoming west northwest around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 49. West wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 60.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Partly sunny, with a high near 60.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Partly sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Partly sunny, with a high near 62.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Colma CA
 37.66°N 122.41°W (Elev. 233 ft)
7:24 pm PST Jan 20, 2026
8pm PST Jan 20, 2026-6pm PST Jan 27, 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