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.

Overcast

81°F

27°C

Humidity 74%
Wind Speed S 9 mph
Barometer 29.95 in (1012.1 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 24 Jul 1:51 am CDT
Extended Forecast for

3 Miles E San Antonio International Airport TX

  • Overnight

    Overnight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 79. South southeast wind around 5 mph. Chance of precipitation is 30%.

    Low: 79 °F

    Chance
    Showers

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 95. Heat index values as high as 104. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 95 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Increasing clouds, with a low around 77. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 96. Heat index values as high as 102. South wind around 5 mph.

    High: 96 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 76. South southeast wind 5 to 10 mph.

    Low: 76 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 97. South wind around 5 mph.

    High: 97 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77. South southeast wind 5 to 10 mph.

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 98. South wind 5 to 10 mph.

    High: 98 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 77. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 79. South southeast wind around 5 mph. Chance of precipitation is 30%.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 95. Heat index values as high as 104. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Friday Night
Increasing clouds, with a low around 77. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 96. Heat index values as high as 102. South wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 76. South southeast wind 5 to 10 mph.
Sunday
Sunny, with a high near 97. South wind around 5 mph.
Sunday Night
Mostly clear, with a low around 77. South southeast wind 5 to 10 mph.
Monday
Sunny, with a high near 98. South wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 77. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday
Sunny and hot, with a high near 99.
Tuesday Night
Clear, with a low around 77.
Wednesday
Sunny and hot, with a high near 100.
Wednesday Night
Mostly clear, with a low around 78.
Thursday
Mostly sunny and hot, with a high near 100.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E San Antonio International Airport TX
 29.53°N 98.43°W (Elev. 741 ft)
Last Update:
1:28 am CDT Jul 24, 2026
Forecast Valid:
1am CDT Jul 24, 2026-6pm CDT Jul 30, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation