Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Partly Cloudy

64°F

18°C

Humidity 57%
Wind Speed W 17 MPH
Barometer 29.6 in (1002.37 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 11 Oct 11:56 AM PDT
Extended Forecast for

Foster City CA

Coastal Flood Advisory October 11, 12:11pm until October 13, 03:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory October 11, 12:11pm until October 13, 03:00pm

    NOW until 3:00pm Tue

    Coastal Flood Advisory

  • This Afternoon

    High: 70 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 52. West southwest wind 5 to 11 mph becoming southeast after midnight. Winds could gust as high as 18 mph.

    Low: 52 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 70. Calm wind becoming west northwest 5 to 9 mph in the afternoon.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 51. West wind 5 to 9 mph becoming calm  in the evening.

    Low: 51 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 73. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 53.

    Low: 53 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 55.

    Low: 55 °F

    Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 70. West wind 5 to 11 mph, with gusts as high as 21 mph.
Tonight
Mostly clear, with a low around 52. West southwest wind 5 to 11 mph becoming southeast after midnight. Winds could gust as high as 18 mph.
Columbus Day
Sunny, with a high near 70. Calm wind becoming west northwest 5 to 9 mph in the afternoon.
Monday Night
Increasing clouds, with a low around 51. West wind 5 to 9 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 73. Calm wind becoming northwest around 6 mph in the afternoon.
Tuesday Night
Clear, with a low around 53.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Clear, with a low around 55.
Thursday
Sunny, with a high near 83.
Thursday Night
Clear, with a low around 58.
Friday
Sunny, with a high near 85.
Friday Night
Clear, with a low around 59.
Saturday
Sunny, with a high near 82.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Foster City CA
 37.55°N 122.24°W (Elev. 3 ft)
11:27 am PDT Oct 11, 2026
12pm PDT Oct 11, 2026-6pm PDT Oct 17, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database