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.

Partly Cloudy

52°F

11°C

Humidity	93%
Wind Speed	SW 3 MPH
Barometer	30.28 in (1025.4 mb)
Dewpoint	50°F (10°C)
Visibility	10.00 mi
Last update	08 Feb 01:35 AM PST

More Information:

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

Extended Forecast for

San Mateo CA

Overnight
Low: 47 °F
Patchy Fog
Sunday
High: 65 °F
Patchy Fog
then Mostly
Sunny
Sunday Night
Low: 50 °F
Patchy Fog
Monday
High: 64 °F
Areas Fog
then Mostly
Cloudy
Monday Night
Low: 49 °F
Mostly Cloudy
then Chance
Rain
Tuesday
High: 60 °F
Rain Likely
Tuesday Night
Low: 48 °F
Rain Likely
Wednesday
High: 60 °F
Chance Rain
Wednesday Night
Low: 44 °F
Chance Rain
and Patchy
Fog

Detailed Forecast

Overnight

Patchy fog after 5am. Otherwise, partly cloudy, with a low around 47. Calm wind.

Sunday

Patchy fog before 9am. Otherwise, mostly sunny, with a high near 65. Calm wind becoming west 5 to 7 mph in the afternoon.

Sunday Night

Patchy fog before 10pm, then patchy fog after midnight. Otherwise, mostly cloudy, with a low around 50. Calm wind becoming west northwest around 6 mph after midnight.

Monday

Areas of fog before 8am. Otherwise, mostly cloudy, with a high near 64. Calm wind becoming north around 6 mph in the morning.

Monday Night

A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 49. Light and variable wind.

Tuesday

Rain likely, mainly after 10am. Mostly cloudy, with a high near 60. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Tuesday Night

Rain likely. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.

Wednesday

A chance of rain. Partly sunny, with a high near 60.

Wednesday Night

A chance of rain, mainly before 10pm. Patchy fog after 3am. Otherwise, partly cloudy, with a low around 44.

Thursday

A slight chance of rain before 10am. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 60.

Thursday Night

Partly cloudy, with a low around 45.

Friday

A slight chance of rain. Partly sunny, with a high near 60.