Arctic Air for the Northeast and Mid-Atlantic; Increase Moisture for Pacific Northwest; Active Pattern for Hawaii

An arctic cold front will impact the Great Lakes, Northeast and mid-Atlantic. Snow showers and squalls will accompany this system with increasing winds and falling temperatures. Damaging wind gusts may result in tree damage and power outages. Meanwhile, moisture returns for the Pacific Northwest and Hawaii this weekend with both coverage and intensity of rainfall and higher elevation snows. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

haze

66°F

19°C

Humidity	63%
Wind Speed	NW 6 MPH
Barometer	30.1 in (1019.3 mb)
Dewpoint	54°F (12°C)
Visibility	5.00 mi
Last update	06 Feb 04:00 PM PST

More Information:

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

Extended Forecast for

San Mateo CA

Tonight
Low: 49 °F
Mostly Clear
then Patchy
Fog
Saturday
High: 62 °F
Patchy Fog
then Sunny
Saturday Night
Low: 50 °F
Mostly Clear
then Patchy
Fog
Sunday
High: 62 °F
Patchy Fog
then Slight
Chance Rain
Sunday Night
Low: 51 °F
Slight Chance
Rain and
Patchy Fog
then Patchy
Fog
Monday
High: 61 °F
Patchy Fog
then Mostly
Cloudy
Monday Night
Low: 49 °F
Slight Chance
Rain
Tuesday
High: 57 °F
Chance Rain
Tuesday Night
Low: 47 °F
Chance Rain

Detailed Forecast

Tonight

Patchy fog after 2am. Otherwise, increasing clouds, with a low around 49. West northwest wind around 5 mph becoming calm in the evening.

Saturday

Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 62. Calm wind becoming northwest 5 to 7 mph in the afternoon.

Saturday Night

Patchy fog after 4am. Otherwise, increasing clouds, with a low around 50. West wind around 5 mph becoming calm in the evening.

Sunday

A 10 percent chance of rain after 4pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 62. Calm wind becoming west northwest around 6 mph in the afternoon.

Sunday Night

A 20 percent chance of rain before 10pm. Patchy fog. Otherwise, mostly cloudy, with a low around 51. West northwest wind around 5 mph.

Monday

Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 61.

Monday Night

A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 49.

Tuesday

A chance of rain. Mostly cloudy, with a high near 57.

Tuesday Night

A chance of rain. Mostly cloudy, with a low around 47.

Wednesday

A chance of rain, mainly before 10am. Mostly sunny, with a high near 59.