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

89°F

32°C

Humidity 57%
Wind Speed E 14 mph
Barometer 29.97 in (1012.8 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 4 Aug 3:51 pm CDT
Extended Forecast for

San Antonio International Airport TX

  • Tonight

    Tonight: Partly cloudy, with a low around 77. East wind 5 to 10 mph.

    Low: 77 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 98. Heat index values as high as 105. Calm wind becoming east around 5 mph in the afternoon.

    High: 98 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 76. East wind 5 to 10 mph becoming south after midnight.

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 98. Heat index values as high as 104. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 98 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76. Southeast wind 5 to 10 mph.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 99. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 99 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76. South wind 5 to 10 mph.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 99. Calm wind becoming south southeast around 5 mph in the morning.

    High: 99 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 76. Southeast wind 5 to 10 mph.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 77. East wind 5 to 10 mph.
Tuesday
Sunny, with a high near 98. Heat index values as high as 105. Calm wind becoming east around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 76. East wind 5 to 10 mph becoming south after midnight.
Wednesday
Sunny, with a high near 98. Heat index values as high as 104. Calm wind becoming south southeast around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 76. Southeast wind 5 to 10 mph.
Thursday
Sunny and hot, with a high near 99. Calm wind becoming south southeast around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 76. South wind 5 to 10 mph.
Friday
Sunny and hot, with a high near 99. Calm wind becoming south southeast around 5 mph in the morning.
Friday Night
Mostly clear, with a low around 76. Southeast wind 5 to 10 mph.
Saturday
Sunny, with a high near 98.
Saturday Night
Mostly clear, with a low around 76.
Sunday
Mostly sunny, with a high near 98.
Sunday Night
Partly cloudy, with a low around 76.
Monday
Mostly sunny, with a high near 97.
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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:
3:42 pm CDT Aug 4, 2025
Forecast Valid:
4pm CDT Aug 4, 2025-6pm CDT Aug 11, 2025
 
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Additional Resources

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