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Tracking Winter Weather and Frigid Temperatures Through This Weekend

A clipper storm will move across the Great Lakes through this weekend with periods of light snow, gusty winds, and lake effect snow bands which could make for hazardous travel at times. A frigid airmass will spread eastward behind this storm into the Midwest and Eastern U.S. through the weekend. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Clear

61°F

16°C

Humidity 63%
Wind Speed ESE 5 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 16 Jan 12:00 PM PST
Extended Forecast for

Foster City CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 66. North northwest wind around 6 mph.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly clear, with a low around 46. North northwest wind 3 to 7 mph.

    Low: 46 °F

    Clear then
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 66. North wind around 6 mph.

    High: 66 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 46. East northeast wind 3 to 5 mph.

    Low: 46 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 66. North northeast wind 3 to 6 mph.

    High: 66 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 64.

    High: 64 °F

    Patchy Fog
    then Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 66. North northwest wind around 6 mph.
Tonight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 46. North northwest wind 3 to 7 mph.
Saturday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 66. North wind around 6 mph.
Saturday Night
Partly cloudy, with a low around 46. East northeast wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 66. North northeast wind 3 to 6 mph.
Sunday Night
Mostly clear, with a low around 46.
M.L.King Day
Sunny, with a high near 65.
Monday Night
Mostly clear, with a low around 45.
Tuesday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 64.
Tuesday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 46.
Wednesday
Areas of fog. Otherwise, partly sunny, with a high near 62.
Wednesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 48.
Thursday
Areas of fog. Otherwise, mostly sunny, with a high near 60.
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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 am PST Jan 16, 2026
Forecast Valid:
12pm PST Jan 16, 2026-6pm PST Jan 22, 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