Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

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 87%
Wind Speed WNW 18 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 50°F (10°C)
Visibility 7.00 mi
Last update 22 Jan 07:00 PM PST
Extended Forecast for

Foster City CA

  • Tonight

    Tonight: Patchy fog after 11pm.  Otherwise, partly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 10am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 59. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 59 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog before 11pm, then patchy fog after 1am.  Otherwise, mostly clear, with a low around 44. Light and variable wind.

    Low: 44 °F

    Patchy Fog

  • Saturday

    Saturday: Sunny, with a high near 62. North northeast wind 3 to 8 mph.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 41. East northeast wind 3 to 5 mph.

    Low: 41 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly cloudy, with a high near 61.

    High: 61 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 46. Calm wind.
Friday
Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 59. Calm wind becoming north northwest around 5 mph in the afternoon.
Friday Night
Patchy fog before 11pm, then patchy fog after 1am. Otherwise, mostly clear, with a low around 44. Light and variable wind.
Saturday
Sunny, with a high near 62. North northeast wind 3 to 8 mph.
Saturday Night
Mostly clear, with a low around 41. East northeast wind 3 to 5 mph.
Sunday
Mostly cloudy, with a high near 61.
Sunday Night
Mostly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 63.
Monday Night
Partly cloudy, with a low around 44.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 47.
Wednesday
A chance of rain. Mostly cloudy, with a high near 61.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Foster City CA
 37.54°N 122.29°W (Elev. 151 ft)
3:01 pm PST Jan 22, 2026
7pm PST Jan 22, 2026-6pm PST Jan 29, 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