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.

Overcast

49°F

9°C

Humidity 92%
Wind Speed NNE 11 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 47°F (8°C)
Visibility 7.00 mi
Wind Chill44°F (7°C)
Last update 06 Dec 10:56 PM PST
Extended Forecast for

Foster City CA

Coastal Flood Advisory December 6, 11:08pm until December 7, 03:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory December 6, 11:08pm until December 7, 03:00pm

    NOW until 3:00pm Sun

    Coastal Flood Advisory

  • Tonight

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 61. Light northwest wind becoming west northwest 5 to 10 mph in the morning.

    High: 61 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 47. West northwest wind around 6 mph becoming calm after midnight.

    Low: 47 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 63. Northwest wind 3 to 7 mph.

    High: 63 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 47. West northwest wind 3 to 7 mph.

    Low: 47 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 47. Light west northwest wind.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 61. Light northwest wind becoming west northwest 5 to 10 mph in the morning.
Sunday Night
Partly cloudy, with a low around 47. West northwest wind around 6 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 63. Northwest wind 3 to 7 mph.
Monday Night
Partly cloudy, with a low around 47. West northwest wind 3 to 7 mph.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 48.
Saturday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Foster City CA
 37.57°N 122.27°W (Elev. 3 ft)
Last Update:
12:26 pm PST Dec 6, 2025
Forecast Valid:
11pm PST Dec 6, 2025-6pm PST Dec 13, 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