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 >

Current conditions at

SAN FRANCISCO DOWNTOWN (SFOC1)

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

56°F

13°C

Humidity	82%
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	50°F (10°C)
Visibility	NA
Last update	27 Jan 10:43 PM PST

More Information:

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

Extended Forecast for

Colma CA

Tonight
Low: 50 °F
Chance Rain
Wednesday
High: 61 °F
Patchy Fog
then Mostly
Sunny
Wednesday Night
Low: 45 °F
Partly Cloudy
Thursday
High: 62 °F
Mostly Sunny
Thursday Night
Low: 46 °F
Mostly Cloudy
Friday
High: 64 °F
Partly Sunny
Friday Night
Low: 48 °F
Mostly Cloudy
Saturday
High: 65 °F
Partly Sunny
Saturday Night
Low: 49 °F
Mostly Cloudy
then Slight
Chance Rain

Detailed Forecast

Tonight

A 50 percent chance of rain. Mostly cloudy, with a low around 50. South southwest wind 5 to 9 mph becoming light and variable after midnight. New precipitation amounts of less than a tenth of an inch possible.

Wednesday

Patchy fog before 7am. Otherwise, mostly sunny, with a high near 61. North northeast wind 5 to 7 mph.

Wednesday Night

Partly cloudy, with a low around 45. Northwest wind around 5 mph becoming light and variable in the evening.

Thursday

Mostly sunny, with a high near 62. North wind 3 to 7 mph.

Thursday Night

Mostly cloudy, with a low around 46. North northeast wind 3 to 5 mph.

Friday

Partly sunny, with a high near 64.

Friday Night

Mostly cloudy, with a low around 48.