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

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Partly Cloudy

57°F

14°C

Humidity 37%
Wind Speed N 3 mph
Barometer 30.40 in (1028.6 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 4 Feb 7:51 pm CST
Extended Forecast for

San Antonio International Airport TX

  • Tonight

    Tonight: Clear, with a low around 39. North wind 5 to 10 mph.

    Low: 39 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 68. Calm wind becoming west around 5 mph in the afternoon.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 46. West wind around 5 mph.

    Low: 46 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 78. West wind around 5 mph becoming calm in the afternoon.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 47. Calm wind.

    Low: 47 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 79. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 49. South southeast wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 77. Calm wind becoming south around 5 mph in the afternoon.

    High: 77 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 53. Southeast wind around 5 mph becoming calm.

    Low: 53 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 39. North wind 5 to 10 mph.
Thursday
Sunny, with a high near 68. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Clear, with a low around 46. West wind around 5 mph.
Friday
Sunny, with a high near 78. West wind around 5 mph becoming calm in the afternoon.
Friday Night
Clear, with a low around 47. Calm wind.
Saturday
Sunny, with a high near 79. Calm wind becoming south southeast around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 49. South southeast wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 77. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 53. Southeast wind around 5 mph becoming calm.
Monday
Mostly cloudy, with a high near 77.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 56.
Tuesday
A 20 percent chance of showers. Mostly cloudy, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 78.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Antonio International Airport TX
 29.53°N 98.45°W (Elev. 771 ft)
Last Update:
8:12 pm CST Feb 4, 2026
Forecast Valid:
8pm CST Feb 4, 2026-6pm CST Feb 11, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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