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

Late January Extreme Cold; Watching for Another East Coast Storm Threat This Weekend

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. Read More >

Hazardous Weather Conditions

Current conditions at

SAN FRANCISCO DOWNTOWN (SFOC1)

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

NA

48°F

9°C

Humidity 87%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 27 Jan 07:43 AM PST
Extended Forecast for

3 Miles WNW San Francisco CA

  • Today

    Today: Increasing clouds, with a high near 60. East wind 8 to 16 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

    High: 60 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A 50 percent chance of rain. Cloudy, then gradually becoming partly cloudy, with a low around 50. South southwest wind 6 to 11 mph becoming northwest after midnight. Winds could gust as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance Rain

  • Wednesday

    Wednesday: Mostly sunny, with a high near 59. Northeast wind 8 to 11 mph.

    High: 59 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 48. North northeast wind 6 to 8 mph.

    Low: 48 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 60. North northeast wind around 8 mph.

    High: 60 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 60. East wind 8 to 16 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Tonight
A 50 percent chance of rain. Cloudy, then gradually becoming partly cloudy, with a low around 50. South southwest wind 6 to 11 mph becoming northwest after midnight. Winds could gust as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Mostly sunny, with a high near 59. Northeast wind 8 to 11 mph.
Wednesday Night
Increasing clouds, with a low around 48. North northeast wind 6 to 8 mph.
Thursday
Mostly sunny, with a high near 60. North northeast wind around 8 mph.
Thursday Night
Mostly cloudy, with a low around 49.
Friday
Partly sunny, with a high near 62.
Friday Night
Mostly cloudy, with a low around 50.
Saturday
Partly sunny, with a high near 62.
Saturday Night
A slight chance of rain after 4am. Mostly cloudy, with a low around 51.
Sunday
A chance of rain. Mostly cloudy, with a high near 61.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 51.
Monday
Mostly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW San Francisco CA
 37.78°N 122.5°W (Elev. 384 ft)
Last Update:
7:33 am PST Jan 27, 2026
Forecast Valid:
8am PST Jan 27, 2026-6pm PST Feb 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