Heavy Rain in the Southern U.S.; Active Weather Continues in Alaska

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains today, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. Another Bering system will impact the Alaskan West Coast and Central Interior through the weekend bringing moderate to heavy snow, high winds, and/or some blizzard conditions. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Mostly Cloudy

54°F

12°C

Humidity	76%
Wind Speed	W 9 MPH
Barometer	30.12 in (1019.98 mb)
Dewpoint	46°F (8°C)
Visibility	10.00 mi
Last update	13 Feb 07:35 PM PST

More Information:

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

Extended Forecast for

San Mateo CA

Tonight
Low: 46 °F
Mostly Cloudy
then Patchy
Fog
Saturday
High: 60 °F
Areas Fog
then Mostly
Cloudy
Saturday Night
Low: 49 °F
Chance
Showers
Sunday
High: 61 °F
Showers
Likely then
Showers
Sunday Night
Low: 47 °F
Showers
Washington's Birthday
High: 56 °F
Showers
Monday Night
Low: 44 °F
Showers
Tuesday
High: 53 °F
Showers
Tuesday Night
Low: 42 °F
Showers

Detailed Forecast

Tonight

Patchy fog before 3am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 46. West wind around 6 mph becoming calm in the evening.

Saturday

Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 60. Calm wind becoming south southwest 5 to 8 mph in the afternoon.

Saturday Night

A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 49. South wind around 9 mph. New precipitation amounts of less than a tenth of an inch possible.

Sunday

Showers, mainly after 10am. High near 61. South southeast wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Sunday Night

Showers. Low around 47. South southeast wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

Washington's Birthday

Showers, with thunderstorms also possible after 4pm. High near 56. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Monday Night

Showers and possibly a thunderstorm. Low around 44. Chance of precipitation is 100%.

Tuesday

Showers and possibly a thunderstorm. Cloudy, with a high near 53.

Tuesday Night

Showers and possibly a thunderstorm. Mostly cloudy, with a low around 42.

Wednesday

Showers likely. Mostly cloudy, with a high near 55.

Wednesday Night

Showers likely. Mostly cloudy, with a low around 42.

Thursday

Showers likely. Partly sunny, with a high near 57.