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.

A Few Clouds

94°F

34°C

Humidity 46%
Wind Speed SE 15 mph
Barometer 29.82 in (1007.9 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 28 Jul 6:51 pm CDT
Extended Forecast for

San Antonio TX

  • Tonight

    Tonight: 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

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing and hot, with a high near 99. Heat index values as high as 107. South southeast wind 5 to 10 mph.

    High: 99 °F

    Hot

  • Wednesday Night

    Wednesday 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

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny and hot, with a high near 99. Heat index values as high as 105. South southeast wind 5 to 10 mph.

    High: 99 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 76. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Partly Cloudy

  • Friday

    Friday: Sunny and hot, with a high near 99. South wind around 5 mph.

    High: 99 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 79. South southeast wind 5 to 10 mph.

    Low: 79 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 101. South southwest wind around 5 mph.

    High: 101 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 80. South southeast wind around 5 mph.

    Low: 80 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 77. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday
Mostly cloudy through mid morning, then gradual clearing and hot, with a high near 99. Heat index values as high as 107. South southeast wind 5 to 10 mph.
Wednesday Night
Increasing clouds, with a low around 77. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday
Mostly cloudy, then gradually becoming sunny and hot, with a high near 99. Heat index values as high as 105. South southeast wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 76. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Sunny and hot, with a high near 99. South wind around 5 mph.
Friday Night
Mostly clear, with a low around 79. South southeast wind 5 to 10 mph.
Saturday
Mostly sunny and hot, with a high near 101. South southwest wind around 5 mph.
Saturday Night
Mostly clear, with a low around 80. South southeast wind around 5 mph.
Sunday
Mostly sunny and hot, with a high near 100.
Sunday Night
Mostly clear, with a low around 80.
Monday
Sunny and hot, with a high near 100.
Monday Night
Mostly clear, with a low around 79.
Tuesday
Mostly sunny, with a high near 98.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio TX
 29.46°N 98.5°W (Elev. 741 ft)
Last Update:
6:42 pm CDT Jul 28, 2026
Forecast Valid:
7pm CDT Jul 28, 2026-6pm CDT Aug 4, 2026
 
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