Coastal Storm Along the East Coast; Pacific Storm System in the West on Friday

A strengthening coastal storm will bring soaking rains to portions of the Mid-Atlantic and Northeast, with accumulating snow likely across the higher elevations of northern New England through Friday. A Pacific storm system will bring heavy low elevation rain, and gusty winds to northern California and the Pacific Northwest, as well as possible blizzard conditions to the Sierra Nevada on Friday. 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.

Partly Cloudy

63°F

17°C

Humidity	75%
Wind Speed	E 3 MPH
Barometer	29.85 in (1010.84 mb)
Dewpoint	55°F (13°C)
Visibility	10.00 mi
Last update	12 Nov 10:56 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 12, 11:08am until November 13, 04:00pm

Click here for hazard details and duration

Coastal Flood Advisory

Coastal Flood Advisory November 12, 11:08am until November 13, 04:00pm
NOW until 4:00pm Fri
Coastal Flood Advisory
Today
High: 73 °F
Partly Sunny
Tonight
Low: 55 °F
Slight Chance
Rain
Friday
High: 63 °F
Rain and
Breezy
Friday Night
Low: 51 °F
Chance Rain
Saturday
High: 66 °F
Chance Rain
Saturday Night
Low: 52 °F
Mostly Cloudy
Sunday
High: 65 °F
Rain
Sunday Night
Low: 51 °F
Rain

Detailed Forecast

Today

Partly sunny, with a high near 73. South wind 8 to 16 mph, with gusts as high as 26 mph.

Tonight

A slight chance of rain before 4am, then a slight chance of rain after 5am. Partly cloudy, with a low around 55. South wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 20%. New precipitation amounts of less than a tenth of an inch possible.

Friday

Rain. High near 63. Breezy, with a south wind 18 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Friday Night

A chance of rain before 1am, then a chance of rain after 2am. Mostly cloudy, with a low around 51. West southwest wind 5 to 9 mph becoming calm after midnight. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

Saturday

A 30 percent chance of rain, mainly before 10am. Mostly sunny, with a high near 66. 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.

Sunday

Rain, mainly after 10am. High near 65. Chance of precipitation is 80%.

Sunday Night

Rain, mainly before 4am. Mostly cloudy, with a low around 51.

Monday

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

Monday Night

Partly cloudy, with a low around 47.

Tuesday

Sunny, with a high near 61.