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, San Francisco International Airport (KSFO)

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

Overcast

57°F

14°C

Humidity	76%
Wind Speed	S 8 MPH
Barometer	30.33 in (1027.09 mb)
Dewpoint	50°F (10°C)
Visibility	10.00 mi
Last update	27 Jan 11:20 PM PST

More Information:

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

Extended Forecast for

Hillsborough CA

Tonight
Low: 50 °F
Chance Rain
Wednesday
High: 62 °F
Patchy Fog
then Mostly
Sunny
Wednesday Night
Low: 45 °F
Mostly Clear
Thursday
High: 63 °F
Mostly Sunny
Thursday Night
Low: 46 °F
Partly Cloudy
Friday
High: 65 °F
Partly Sunny
Friday Night
Low: 48 °F
Mostly Cloudy
Saturday
High: 66 °F
Partly Sunny
Saturday Night
Low: 50 °F
Mostly Cloudy
then Slight
Chance Rain

Detailed Forecast

Tonight

A 40 percent chance of rain. Mostly cloudy, with a low around 50. South wind around 6 mph becoming calm after midnight. New precipitation amounts of less than a tenth of an inch possible.

Wednesday

Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 62. Calm wind becoming north northeast around 6 mph in the afternoon.

Wednesday Night

Mostly clear, with a low around 45. Light and variable wind.

Thursday

Mostly sunny, with a high near 63. Calm wind becoming north around 6 mph in the afternoon.

Thursday Night

Partly cloudy, with a low around 46. Light north northeast wind.

Friday

Partly sunny, with a high near 65.

Friday Night

Mostly cloudy, with a low around 48.

Saturday

Partly sunny, with a high near 66.