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 Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Mostly Cloudy

66°F

19°C

Humidity 42%
Wind Speed N 7 mph
Barometer 30.01 in (1014.8 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 9 Jan 8:51 pm CST
Extended Forecast for

San Antonio International Airport TX

  • Tonight

    Tonight: Partly cloudy, with a low around 46. North wind 5 to 15 mph, with gusts as high as 30 mph.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 59. North wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 59 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 40. North wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 60. Northeast wind around 5 mph.

    High: 60 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 60. Calm wind.

    High: 60 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 63. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 63 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 45. South southwest wind around 5 mph becoming west after midnight.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 46. North wind 5 to 15 mph, with gusts as high as 30 mph.
Saturday
Mostly sunny, with a high near 59. North wind 15 to 20 mph, with gusts as high as 35 mph.
Saturday Night
Mostly cloudy, with a low around 40. North wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Mostly cloudy, with a high near 60. Northeast wind around 5 mph.
Sunday Night
Mostly cloudy, with a low around 42. Calm wind.
Monday
Mostly cloudy, with a high near 60. Calm wind.
Monday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 44. Calm wind.
Tuesday
Partly sunny, with a high near 63. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 45. South southwest wind around 5 mph becoming west after midnight.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Clear, with a low around 43.
Thursday
Sunny, with a high near 66.
Thursday Night
Clear, with a low around 42.
Friday
Sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Antonio International Airport TX
 29.53°N 98.48°W (Elev. 817 ft)
Last Update:
5:46 pm CST Jan 9, 2026
Forecast Valid:
9pm CST Jan 9, 2026-6pm CST 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