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

San Francisco, San Francisco International Airport (KSFO)

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

Clear

75°F

24°C

Humidity 38%
Wind Speed WNW 12 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 14 Oct 02:50 PM PDT
Extended Forecast for

Foster City CA

  • Tonight

    Tonight: Clear, with a low around 53. West northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 53 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 84. Calm wind becoming north northwest 5 to 7 mph in the afternoon.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 58. West northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 58 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 88. Calm wind becoming east northeast around 6 mph in the morning.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 59. West northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 59 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 4am. Otherwise, clear, with a low around 54.

    Low: 54 °F

    Clear then
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 10am. Otherwise, sunny, with a high near 72.

    High: 72 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 53. West northwest wind 5 to 8 mph becoming calm in the evening.
Thursday
Sunny, with a high near 84. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Thursday Night
Clear, with a low around 58. West northwest wind 5 to 8 mph becoming calm in the evening.
Friday
Sunny, with a high near 88. Calm wind becoming east northeast around 6 mph in the morning.
Friday Night
Clear, with a low around 59. West northwest wind 5 to 8 mph becoming calm in the evening.
Saturday
Sunny, with a high near 85.
Saturday Night
Patchy fog after 4am. Otherwise, clear, with a low around 54.
Sunday
Patchy fog before 10am. Otherwise, sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 53.
Monday
Mostly sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 52. Breezy.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 69.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Foster City CA
 37.55°N 122.27°W (Elev. 33 ft)
Last Update:
1:26 pm PDT Oct 14, 2026
Forecast Valid:
3pm PDT Oct 14, 2026-6pm PDT Oct 21, 2026
 
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Additional Resources

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Chance of Precipitation