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

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Clear

54°F

12°C

Humidity 76%
Wind Speed NNE 6 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 46°F (8°C)
Visibility 9.00 mi
Last update 05 Dec 01:00 PM PST
Extended Forecast for

Foster City CA

Coastal Flood Advisory December 5, 01:15pm until December 7, 03:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory December 5, 01:15pm until December 7, 03:00pm

    NOW until 3:00pm Sun

    Coastal Flood Advisory

  • This Afternoon

    High: 63 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 47. Light west southwest wind.

    Low: 47 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 63. Calm wind becoming north northwest 5 to 7 mph in the afternoon.

    High: 63 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 47. Northwest wind 3 to 5 mph.

    Low: 47 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 64. Calm wind becoming northwest 5 to 7 mph in the morning.

    High: 64 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 63. North northwest wind around 6 mph.
Tonight
Increasing clouds, with a low around 47. Light west southwest wind.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 63. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 47. Northwest wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 64. Calm wind becoming northwest 5 to 7 mph in the morning.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Mostly sunny, with a high near 65.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Mostly sunny, with a high near 68.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Mostly sunny, with a high near 68.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Foster City CA
 37.54°N 122.29°W (Elev. 151 ft)
Last Update:
1:00 pm PST Dec 5, 2025
Forecast Valid:
1pm PST Dec 5, 2025-6pm PST Dec 11, 2025
 
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