Heavy Great Lakes Snow through Friday; Watching Potential for Major Winter Storm Late Week into this Weekend

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Mostly Cloudy

55°F

13°C

Humidity 76%
Wind Speed E 3 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 20 Jan 03:00 PM PST
Extended Forecast for

Foster City CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 62. Calm wind.

    High: 62 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 61. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 61 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 49. Light southwest wind.

    Low: 49 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 47. Calm wind.
Wednesday
Cloudy, with a high near 62. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 48. Calm wind.
Thursday
Mostly cloudy, with a high near 61. Calm wind becoming west northwest around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 49. Light southwest wind.
Friday
Mostly sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Partly sunny, with a high near 62.
Sunday Night
Mostly cloudy, with a low around 44.
Monday
Partly sunny, with a high near 63.
Monday Night
Partly cloudy, with a low around 44.
Tuesday
Partly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Foster City CA
 37.57°N 122.27°W (Elev. 3 ft)
1:57 pm PST Jan 20, 2026
3pm PST Jan 20, 2026-6pm PST Jan 27, 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