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

Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Mostly Cloudy

51°F

11°C

Humidity 85%
Wind Speed WNW 10 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 27 Dec 01:56 AM PST
Extended Forecast for

San Francisco International Airport CA

  • Overnight

    Overnight: A 30 percent chance of rain. Partly cloudy, with a low around 49. West northwest wind around 11 mph.

    Low: 49 °F

    Chance Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 54. North wind around 10 mph.

    High: 54 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 43. Northeast wind 6 to 8 mph.

    Low: 43 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 54. East northeast wind 6 to 9 mph.

    High: 54 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42. Northeast wind around 11 mph.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of rain. Partly cloudy, with a low around 49. West northwest wind around 11 mph.
Saturday
Mostly sunny, with a high near 54. North wind around 10 mph.
Saturday Night
Partly cloudy, with a low around 43. Northeast wind 6 to 8 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 54. East northeast wind 6 to 9 mph.
Sunday Night
Mostly clear, with a low around 42. Northeast wind around 11 mph.
Monday
Sunny, with a high near 56.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Sunny, with a high near 57.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Mostly sunny, with a high near 57.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 47.
New Year's Day
A chance of rain. Mostly cloudy, with a high near 56.
Thursday Night
Rain likely. Mostly cloudy, with a low around 48.
Friday
Rain likely. Mostly cloudy, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Francisco International Airport CA
 37.62°N 122.37°W (Elev. 3 ft)
Last Update:
12:27 am PST Dec 27, 2025
Forecast Valid:
2am PST Dec 27, 2025-6pm PST Jan 2, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation