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.

Partly Cloudy

47°F

8°C

Humidity 79%
Wind Speed S 4 MPH
Barometer 30.42 in (1030.14 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 10 Jan 10:56 PM PST
Extended Forecast for

San Mateo CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. Southeast wind 3 to 5 mph.

    Low: 39 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 60. Southeast wind 5 to 7 mph becoming north in the afternoon.

    High: 60 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42. East northeast wind 3 to 5 mph.

    Low: 42 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 60. North wind 3 to 7 mph.

    High: 60 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43. Northeast wind around 5 mph.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 39. Southeast wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 60. Southeast wind 5 to 7 mph becoming north in the afternoon.
Sunday Night
Partly cloudy, with a low around 42. East northeast wind 3 to 5 mph.
Monday
Sunny, with a high near 60. North wind 3 to 7 mph.
Monday Night
Mostly clear, with a low around 43. Northeast wind around 5 mph.
Tuesday
Sunny, with a high near 63.
Tuesday Night
Clear, with a low around 45.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 66.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 48.
Saturday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Mateo CA
 37.56°N 122.33°W (Elev. 108 ft)
Last Update:
2:45 pm PST Jan 10, 2026
Forecast Valid:
11pm PST Jan 10, 2026-6pm PST Jan 17, 2026
 
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Additional Resources

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Chance of Precipitation