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

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Clear

48°F

9°C

Humidity 61%
Wind Speed N 0 MPH
Barometer 30.42 in (1030.14 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 09 Jan 08:35 PM PST
Extended Forecast for

Foster City CA

  • Tonight

    Tonight: Partly cloudy, with a low around 40. Light and variable wind becoming east around 5 mph.

    Low: 40 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 58. Southeast wind around 6 mph becoming north in the afternoon.

    High: 58 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 41. East wind around 5 mph.

    Low: 41 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 60. North northeast wind 5 to 7 mph.

    High: 60 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41. Light northeast wind.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Tuesday Night

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

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 40. Light and variable wind becoming east around 5 mph.
Saturday
Partly sunny, with a high near 58. Southeast wind around 6 mph becoming north in the afternoon.
Saturday Night
Mostly cloudy, with a low around 41. East wind around 5 mph.
Sunday
Mostly sunny, with a high near 60. North northeast wind 5 to 7 mph.
Sunday Night
Mostly clear, with a low around 41. Light northeast wind.
Monday
Sunny, with a high near 60.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Sunny, with a high near 63.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 66.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 66.
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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:
1:09 pm PST Jan 9, 2026
Forecast Valid:
8pm PST Jan 9, 2026-6pm PST Jan 16, 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