Widespread Precipitation and Gusty Winds in the West; Snow from the Great Lakes to the Northeast

A Pacific storm system is expected to bring strong winds and more precipitation to the western U.S., along with the likelihood of snowfall into the Sierra Nevada. Accumulating snow will develop downwind from the Great Lakes into parts of the Northeast through Saturday. Polar air will surge into the eastern half of the country this weekend. Read More >

Hazardous Weather Conditions

Coastal Flood Advisory until November 13, 04:00 PM PST

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Mostly Cloudy

64°F

18°C

Humidity	67%
Wind Speed	S 11 MPH
Barometer	29.69 in (1005.42 mb)
Dewpoint	53°F (12°C)
Visibility	10.00 mi
Last update	13 Nov 12:56 AM PST

More Information:

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

Extended Forecast for

San Mateo CA

Coastal Flood Advisory November 13, 01:08am until November 13, 04:00pm

Click here for hazard details and duration

Coastal Flood Advisory

Coastal Flood Advisory November 13, 01:08am until November 13, 04:00pm
NOW until 4:00pm Fri
Coastal Flood Advisory
Overnight
Low: 55 °F
Slight Chance
Rain
Friday
High: 63 °F
Rain
Friday Night
Low: 50 °F
Chance Rain
Saturday
High: 65 °F
Chance Rain
then Partly
Sunny
Saturday Night
Low: 52 °F
Mostly Cloudy
Sunday
High: 64 °F
Rain
Sunday Night
Low: 50 °F
Rain
Monday
High: 61 °F
Chance Rain

Detailed Forecast

Overnight

A slight chance of rain between 2am and 3am. Mostly cloudy, with a low around 55. South wind 10 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 20%. New precipitation amounts of less than a tenth of an inch possible.

Friday

Rain and possibly a thunderstorm before 4pm, then rain likely. High near 63. South wind 17 to 21 mph becoming west southwest in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Friday Night

A 40 percent chance of rain between 10pm and 2am. Mostly cloudy, with a low around 50. West wind 5 to 8 mph becoming calm after midnight. New precipitation amounts of less than a tenth of an inch possible.

Saturday

A 40 percent chance of rain, mainly between 9am and 10am. Partly sunny, with a high near 65. Light and variable wind. New precipitation amounts of less than a tenth of an inch possible.

Saturday Night

Mostly cloudy, with a low around 52. Calm wind becoming south southeast around 6 mph in the evening.

Sunday

Rain, mainly after 10am. High near 64. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Sunday Night

Rain, mainly before 4am. Low around 50. Chance of precipitation is 90%.

Monday

A chance of rain, mainly before 10am. Mostly sunny, with a high near 61.

Monday Night

Mostly clear, with a low around 48.

Tuesday

Sunny, with a high near 61.