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.

Mostly Cloudy

85°F

29°C

Humidity 27%
Wind Speed S 12 G 21 mph
Barometer 29.66 in (1002.8 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 25 Feb 2:51 pm CST
Extended Forecast for

San Antonio International Airport TX

  • This Afternoon

    This Afternoon: Sunny, with a high near 88. South southwest wind around 10 mph.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. South southwest wind around 5 mph.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 91. Southwest wind 5 to 10 mph becoming north northeast in the afternoon.

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60. North northeast wind around 10 mph.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 83. North northeast wind 5 to 10 mph becoming east in the afternoon.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. East wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 86. Light south southeast wind increasing to 5 to 10 mph in the morning.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 59. South southeast wind 5 to 10 mph.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 89. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 89 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 88. South southwest wind around 10 mph.
Tonight
Mostly clear, with a low around 58. South southwest wind around 5 mph.
Thursday
Sunny, with a high near 91. Southwest wind 5 to 10 mph becoming north northeast in the afternoon.
Thursday Night
Mostly clear, with a low around 60. North northeast wind around 10 mph.
Friday
Sunny, with a high near 83. North northeast wind 5 to 10 mph becoming east in the afternoon.
Friday Night
Mostly clear, with a low around 59. East wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 86. Light south southeast wind increasing to 5 to 10 mph in the morning.
Saturday Night
Partly cloudy, with a low around 59. South southeast wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 89. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly cloudy, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio International Airport TX
 29.53°N 98.48°W (Elev. 817 ft)
Last Update:
2:44 pm CST Feb 25, 2026
Forecast Valid:
3pm CST Feb 25, 2026-6pm CST Mar 3, 2026
 
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Additional Resources

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