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.

Partly Cloudy

55°F

13°C

Humidity 79%
Wind Speed W 8 MPH
Barometer 29.52 in (999.66 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 11 Oct 02:56 AM PDT
Extended Forecast for

Foster City CA

Coastal Flood Advisory October 11, 03:15am until October 13, 03:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory October 11, 03:15am until October 13, 03:00pm

    NOW until 3:00pm Tue

    Coastal Flood Advisory

  • Overnight

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 61. Southwest wind 5 to 10 mph becoming west 11 to 16 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55. West southwest wind 7 to 16 mph becoming southeast after midnight. Winds could gust as high as 21 mph.

    Low: 55 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 62. Southeast wind 5 to 9 mph becoming north northwest in the morning.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. West wind 9 to 14 mph becoming light southwest after midnight. Winds could gust as high as 18 mph.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 54. West southwest wind 7 to 9 mph.
Sunday
Sunny, with a high near 61. Southwest wind 5 to 10 mph becoming west 11 to 16 mph in the afternoon. Winds could gust as high as 22 mph.
Sunday Night
Mostly clear, with a low around 55. West southwest wind 7 to 16 mph becoming southeast after midnight. Winds could gust as high as 21 mph.
Columbus Day
Sunny, with a high near 62. Southeast wind 5 to 9 mph becoming north northwest in the morning.
Monday Night
Mostly clear, with a low around 54. West wind 9 to 14 mph becoming light southwest after midnight. Winds could gust as high as 18 mph.
Tuesday
Sunny, with a high near 64.
Tuesday Night
Clear, with a low around 56.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Clear, with a low around 55.
Thursday
Sunny, with a high near 77.
Thursday Night
Clear, with a low around 59.
Friday
Sunny, with a high near 78.
Friday Night
Clear, with a low around 60.
Saturday
Sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Foster City CA
 37.57°N 122.24°W (Elev. 0 ft)
Last Update:
2:36 am PDT Oct 11, 2026
Forecast Valid:
3am PDT Oct 11, 2026-6pm PDT Oct 17, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation