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.

Fog/Mist

68°F

20°C

Humidity 87%
Wind Speed NE 6 mph
Barometer 29.79 in (1007.1 mb)
Dewpoint 64°F (18°C)
Visibility 4.00 mi
Last update 20 Feb 8:51 am CST
Extended Forecast for

San Antonio International Airport TX

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 74. Northeast wind 5 to 10 mph.

    High: 74 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 57. Calm wind becoming north northwest around 5 mph after midnight.

    Low: 57 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 77. North wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 43. North wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 43 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 65. North northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 65 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 40. Northeast wind 5 to 10 mph.

    Low: 40 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 68. North northeast wind around 5 mph becoming east southeast in the afternoon.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. East southeast wind around 5 mph becoming calm after midnight.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 74. Light south wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 74. Northeast wind 5 to 10 mph.
Tonight
Mostly cloudy, with a low around 57. Calm wind becoming north northwest around 5 mph after midnight.
Saturday
Mostly sunny, with a high near 77. North wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 43. North wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 65. North northeast wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 40. Northeast wind 5 to 10 mph.
Monday
Sunny, with a high near 68. North northeast wind around 5 mph becoming east southeast in the afternoon.
Monday Night
Mostly clear, with a low around 42. East southeast wind around 5 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 74. Light south wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 88.
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
 29.55°N 98.46°W (Elev. 751 ft)
Last Update:
6:44 am CST Feb 20, 2026
Forecast Valid:
8am CST Feb 20, 2026-6pm CST Feb 26, 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