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

Dangerous Cold and Gusty Winds Anticipated This Weekend

A significant arctic outbreak will bring frigid temperatures and dangerously cold wind chills to the Northeast and Mid-Atlantic this weekend. Strong winds which could produce tree damage and power outages, and periods of snow squalls are also possible. Relief from this cold and a warming trend is forecast to commence by the beginning to middle of next week. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Clear

63°F

17°C

Humidity 67%
Wind Speed N 3 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 05 Feb 12:15 PM PST
Extended Forecast for

Foster City CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 71. North northwest wind 3 to 5 mph.

    High: 71 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 68. Calm wind becoming west around 6 mph in the afternoon.

    High: 68 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 65. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 65 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Areas of fog before 9am. Otherwise, partly sunny, with a high near 65.

    High: 65 °F

    Areas Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: A slight chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 51.

    Low: 51 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Monday

    Monday: Mostly cloudy, with a high near 62.

    High: 62 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 71. North northwest wind 3 to 5 mph.
Tonight
Mostly cloudy, with a low around 52. Calm wind.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 68. Calm wind becoming west around 6 mph in the afternoon.
Friday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 49. Calm wind.
Saturday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 65. Calm wind becoming northwest around 6 mph in the afternoon.
Saturday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 50.
Sunday
Areas of fog before 9am. Otherwise, partly sunny, with a high near 65.
Sunday Night
A slight chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 51.
Monday
Mostly cloudy, with a high near 62.
Monday Night
A slight chance of rain after 10pm. Mostly cloudy, with a low around 48.
Tuesday
A chance of rain. Partly sunny, with a high near 60.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 45.
Wednesday
A chance of rain. Partly sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Foster City CA
 37.57°N 122.27°W (Elev. 3 ft)
Last Update:
12:26 pm PST Feb 5, 2026
Forecast Valid:
12pm PST Feb 5, 2026-6pm PST Feb 11, 2026
 
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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