National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

52°F

11°C

Humidity 87%
Wind Speed NNE 4 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 21 Jan 11:35 AM PST
Extended Forecast for

2 Miles ESE Pacifica CA

  • Today

    Today: A 10 percent chance of rain after 4pm. Cloudy, with a high near 58. Southeast wind around 5 mph becoming south southwest in the afternoon.

    High: 58 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 49. Southeast wind 3 to 5 mph.

    Low: 49 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 57. West wind 3 to 6 mph.

    High: 57 °F

    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 48. West wind around 6 mph.

    Low: 48 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Mostly sunny, with a high near 56. South wind around 6 mph becoming north in the afternoon.

    High: 56 °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 58.

    High: 58 °F

    Sunny

  • Saturday Night

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

    Low: 45 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

Detailed Forecast

Today
A 10 percent chance of rain after 4pm. Cloudy, with a high near 58. Southeast wind around 5 mph becoming south southwest in the afternoon.
Tonight
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 49. Southeast wind 3 to 5 mph.
Thursday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 57. West wind 3 to 6 mph.
Thursday Night
Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 48. West wind around 6 mph.
Friday
Mostly sunny, with a high near 56. South wind around 6 mph becoming north in the afternoon.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Partly sunny, with a high near 57.
Sunday Night
Mostly cloudy, with a low around 45.
Monday
Partly sunny, with a high near 59.
Monday Night
Mostly cloudy, with a low around 45.
Tuesday
Partly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Pacifica CA
 37.61°N 122.45°W (Elev. 997 ft)
Last Update:
2:13 am PST Jan 21, 2026
Forecast Valid:
11am PST Jan 21, 2026-6pm PST Jan 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation