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

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Hazardous Weather Conditions

Beach Hazards Statement in effect from January 28, 09:00 PM PST until January 30, 09:00 AM PST

Current conditions at

SAN FRANCISCO DOWNTOWN (SFOC1)

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

55°F

13°C

Humidity	100%
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	55°F (13°C)
Visibility	NA
Last update	28 Jan 12:43 AM PST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

San Francisco CA

Overnight
Low: 51 °F
Chance Rain
and Patchy
Fog
Wednesday
High: 60 °F
Patchy Fog
then Mostly
Sunny
Wednesday Night
Low: 47 °F
Increasing
Clouds
Thursday
High: 62 °F
Mostly Sunny
Thursday Night
Low: 48 °F
Mostly Cloudy
Friday
High: 63 °F
Partly Sunny
Friday Night
Low: 49 °F
Mostly Cloudy
Saturday
High: 64 °F
Partly Sunny
Saturday Night
Low: 50 °F
Mostly Cloudy
then Slight
Chance Rain

Detailed Forecast

Overnight

A 50 percent chance of rain. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 51. West wind 5 to 7 mph becoming calm. New precipitation amounts of less than a tenth of an inch possible.

Wednesday

Patchy fog before 7am. Otherwise, mostly sunny, with a high near 60. North wind 5 to 7 mph.

Wednesday Night

Increasing clouds, with a low around 47. North northeast wind 3 to 5 mph.

Thursday

Mostly sunny, with a high near 62. North wind 3 to 6 mph.

Thursday Night

Mostly cloudy, with a low around 48. North wind 3 to 5 mph.

Friday

Partly sunny, with a high near 63.

Friday Night

Mostly cloudy, with a low around 49.