Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Mostly Cloudy

66°F

19°C

Humidity	68%
Wind Speed	WNW 21 MPH
Barometer	29.96 in (1014.56 mb)
Dewpoint	55°F (13°C)
Visibility	10.00 mi
Last update	27 Aug 06:20 PM PDT

More Information:

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

Extended Forecast for

San Mateo CASimilar City Names

Tonight
Low: 59 °F
Mostly Cloudy
Friday
High: 74 °F
Slight Chance
Showers
Friday Night
Low: 56 °F
Partly Cloudy
Saturday
High: 72 °F
Mostly Sunny
Saturday Night
Low: 56 °F
Mostly Clear
Sunday
High: 72 °F
Mostly Sunny
Sunday Night
Low: 56 °F
Mostly Clear
Monday
High: 71 °F
Mostly Sunny
Monday Night
Low: 56 °F
Partly Cloudy

Detailed Forecast

Tonight

Mostly cloudy, with a low around 59. West wind 5 to 8 mph becoming calm after midnight.

Friday

A 20 percent chance of showers. Cloudy, then gradually becoming mostly sunny, with a high near 74. Light and variable wind becoming west 6 to 11 mph in the morning.

Friday Night

Partly cloudy, with a low around 56. Southwest wind 5 to 9 mph.

Saturday

Mostly sunny, with a high near 72. West wind 5 to 14 mph, with gusts as high as 21 mph.

Saturday Night

Mostly clear, with a low around 56. West wind 10 to 15 mph, with gusts as high as 25 mph.

Sunday

Mostly sunny, with a high near 72.

Sunday Night

Mostly clear, with a low around 56.

Monday

Mostly sunny, with a high near 71.