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.

Clear

54°F

12°C

Humidity	93%
Wind Speed	WNW 8 MPH
Barometer	30.31 in (1026.41 mb)
Dewpoint	52°F (11°C)
Visibility	7.00 mi
Last update	07 Feb 09:35 PM PST

More Information:

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

Extended Forecast for

San Mateo CA

Tonight
Low: 50 °F
Mostly Clear
then Patchy
Fog
Sunday
High: 63 °F
Patchy Fog
then Mostly
Sunny
Sunday Night
Low: 51 °F
Patchy Fog
Monday
High: 62 °F
Areas Fog
then Mostly
Cloudy
Monday Night
Low: 50 °F
Chance Rain
Tuesday
High: 58 °F
Rain Likely
Tuesday Night
Low: 47 °F
Chance Rain
Wednesday
High: 59 °F
Chance Rain
Wednesday Night
Low: 45 °F
Slight Chance
Rain then
Mostly Clear

Detailed Forecast

Tonight

Patchy fog after 2am. Otherwise, partly cloudy, with a low around 50. Calm wind.

Sunday

Patchy fog before 10am. Otherwise, mostly sunny, with a high near 63. Calm wind becoming west northwest around 6 mph in the afternoon.

Sunday Night

Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 51. Light west northwest wind.

Monday

Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 62. North northwest wind 3 to 6 mph.

Monday Night

A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 50. West wind 3 to 5 mph. New precipitation amounts of less than a tenth of an inch possible.

Tuesday

Rain likely, mainly after 10am. Mostly cloudy, with a high near 58. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Tuesday Night

A 50 percent chance of rain. Mostly cloudy, with a low around 47.

Wednesday

A chance of rain, mainly before 4pm. Partly sunny, with a high near 59.

Wednesday Night

A slight chance of rain before 10pm. Mostly clear, with a low around 45.

Thursday

Patchy fog before 8am. Otherwise, mostly sunny, with a high near 60.

Thursday Night

Partly cloudy, with a low around 46.

Friday

A slight chance of rain. Partly sunny, with a high near 59.