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.

Partly Cloudy

98°F

37°C

Humidity 34%
Wind Speed E 9 mph
Barometer 29.95 in (1012.3 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 6 Aug 5:51 pm CDT
Extended Forecast for

San Antonio TX

  • 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

  • Friday

    Friday: Mostly sunny, with a high near 97. Heat index values as high as 105. South southeast wind around 5 mph.

    High: 97 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 76. South southeast wind 5 to 10 mph.

    Low: 76 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 96. Heat index values as high as 103. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 96 °F

    Becoming
    Sunny

  • Saturday Night

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

    Low: 76 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 96. Light southeast wind increasing to 5 to 10 mph in the afternoon.

    High: 96 °F

    Mostly Sunny

  • Sunday Night

    Sunday 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

  • Monday

    Monday: Mostly sunny, with a high near 96. South southeast wind 5 to 10 mph.

    High: 96 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 77. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 77. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 97. Heat index values as high as 105. South southeast wind around 5 mph.
Friday Night
Increasing clouds, with a low around 76. South southeast wind 5 to 10 mph.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 96. Heat index values as high as 103. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 76. Southeast wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 96. Light southeast wind increasing to 5 to 10 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 76. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 96. South southeast wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 77. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 98.
Tuesday Night
Mostly clear, with a low around 77.
Wednesday
Mostly sunny and hot, with a high near 99.
Wednesday Night
Mostly clear, with a low around 77.
Thursday
Mostly sunny and hot, with a high near 100.
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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:
5:32 pm CDT Aug 6, 2026
Forecast Valid:
6pm CDT Aug 6, 2026-6pm CDT Aug 13, 2026
 
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