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

78°F

26°C

Humidity 87%
Wind Speed SE 7 mph
Barometer 30.11 in (1017.6 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 7 Aug 7:51 am CDT
Extended Forecast for

San Antonio TX

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 97. Heat index values as high as 104. South wind around 5 mph.

    High: 97 °F

    Becoming
    Sunny

  • Tonight

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

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 97. Heat index values as high as 104. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 97 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77. Southeast wind 5 to 10 mph.

    Low: 77 °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 77. South southeast wind 5 to 10 mph.

    Low: 77 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 97. South southeast wind 5 to 10 mph.

    High: 97 °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

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 99. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 99 °F

    Hot

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 97. Heat index values as high as 104. South wind around 5 mph.
Tonight
Mostly clear, with a low around 76. Southeast wind 5 to 10 mph.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 97. Heat index values as high as 104. Calm wind becoming east southeast around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 77. 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 77. South southeast wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 97. 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 and hot, with a high near 99. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
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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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio TX
 29.46°N 98.5°W (Elev. 741 ft)
Last Update:
6:46 am CDT Aug 7, 2026
Forecast Valid:
8am CDT Aug 7, 2026-6pm CDT Aug 13, 2026
 
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Additional Resources

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