National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

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 52%
Wind Speed WSW 8 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 30 Oct 12:35 PM PDT
Extended Forecast for

San Mateo CASimilar City Names

Coastal Flood Advisory October 30, 12:51pm until November 1, 06:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory October 30, 12:51pm until November 1, 06:00pm

    NOW until 6:00pm Sun

    Coastal Flood Advisory

  • This Afternoon

    High: 67 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 52. West wind around 6 mph becoming calm in the evening.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Cloudy, then gradually becoming mostly sunny, with a high near 64. Calm wind becoming west around 6 mph in the afternoon.

    High: 64 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: A 40 percent chance of showers, mainly after 3am. Partly cloudy, with a low around 52. Light west wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A chance of sprinkles before 11am. Sunny, with a high near 64. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 64 °F

    Chance
    Sprinkles

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 67. West wind 5 to 9 mph.
Tonight
Partly cloudy, with a low around 52. West wind around 6 mph becoming calm in the evening.
Saturday
Cloudy, then gradually becoming mostly sunny, with a high near 64. Calm wind becoming west around 6 mph in the afternoon.
Saturday Night
A 40 percent chance of showers, mainly after 3am. Partly cloudy, with a low around 52. Light west wind. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of sprinkles before 11am. Sunny, with a high near 64. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 49.
Monday
Mostly sunny, with a high near 68.
Monday Night
Mostly cloudy, with a low around 50.
Tuesday
A slight chance of rain after 11am. Mostly sunny, with a high near 68.
Tuesday Night
A slight chance of rain before 11pm. Partly cloudy, with a low around 52.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 67.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
A slight chance of rain. Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Mateo CASimilar City Names
 37.56°N 122.33°W (Elev. 108 ft)
Last Update:
11:55 am PDT Oct 30, 2026
Forecast Valid:
12pm PDT Oct 30, 2026-6pm PST Nov 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation