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 6 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 21 Jan 12:35 PM PST
Extended Forecast for

2 Miles N San Bruno CA

  • This Afternoon

    This Afternoon: Isolated sprinkles between 4pm and 5pm.  Mostly cloudy, with a high near 62. East northeast wind 3 to 5 mph.

    High: 62 °F

    Isolated
    Sprinkles

  • Tonight

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

    Low: 49 °F

    Mostly Cloudy

  • Thursday

    Thursday: Patchy fog before 10am.  Otherwise, partly sunny, with a high near 61. Calm wind becoming west around 6 mph in the afternoon.

    High: 61 °F

    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after midnight.  Otherwise, mostly cloudy, with a low around 48. Light west wind.

    Low: 48 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 11am.  Otherwise, mostly sunny, with a high near 60. Calm wind becoming north around 6 mph in the afternoon.

    High: 60 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Isolated sprinkles between 4pm and 5pm. Mostly cloudy, with a high near 62. East northeast wind 3 to 5 mph.
Tonight
Mostly cloudy, with a low around 49. Calm wind.
Thursday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 61. Calm wind becoming west around 6 mph in the afternoon.
Thursday Night
Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 48. Light west wind.
Friday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 60. Calm wind becoming north around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 45.
Saturday
Sunny, with a high near 62.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Partly sunny, with a high near 61.
Sunday Night
Mostly cloudy, with a low around 45.
Monday
Partly sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Partly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N San Bruno CA
 37.65°N 122.44°W (Elev. 197 ft)
12:26 pm PST Jan 21, 2026
12pm 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