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

76°F

24°C

Humidity 94%
Wind Speed SE 8 mph
Barometer 30.01 in (1014.4 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 24 Jul 7:51 am CDT
Extended Forecast for

San Antonio TX

  • Today

    Today: 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

  • Tonight

    Tonight: Increasing clouds, with a low around 77. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 95. Heat index values as high as 100. South southeast wind around 5 mph.

    High: 95 °F

    Mostly Sunny

  • 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 96. South wind around 5 mph.

    High: 96 °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 10 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99. South southeast wind 5 to 10 mph.

    High: 99 °F

    Hot

Detailed Forecast

Today
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.
Tonight
Increasing clouds, with a low around 77. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 95. Heat index values as high as 100. South southeast 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 96. 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 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny and hot, with a high near 99. South southeast wind 5 to 10 mph.
Tuesday Night
Clear, with a low around 77.
Wednesday
Sunny and hot, with a high near 99.
Wednesday Night
Mostly clear, with a low around 78.
Thursday
Sunny and hot, with a high near 99.
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio TX
 29.46°N 98.5°W (Elev. 741 ft)
Last Update:
7:44 am CDT Jul 24, 2026
Forecast Valid:
8am CDT Jul 24, 2026-6pm CDT Jul 30, 2026
 
Forecast Discussion
 
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Additional Resources

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