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

78°F

26°C

Humidity 82%
Wind Speed S 13 G 20 mph
Barometer 29.96 in (1012.5 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 13 Aug 4:51 am CDT
Extended Forecast for

Alamo Heights TX

  • Today

    Today: Mostly cloudy, then gradually becoming sunny and hot, with a high near 100. Heat index values as high as 107. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 100 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 78. South southeast wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 78 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 98. Heat index values as high as 106. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 98 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 78. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 78 °F

    Partly Cloudy

  • Saturday

    Saturday: 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

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 76. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 76 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 99. South southeast wind around 5 mph.

    High: 99 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny and hot, with a high near 99. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 99 °F

    Hot

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny and hot, with a high near 100. Heat index values as high as 107. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 78. South southeast wind 10 to 20 mph, with gusts as high as 30 mph.
Friday
Partly sunny, with a high near 98. Heat index values as high as 106. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 78. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
Mostly sunny and hot, with a high near 99. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 76. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny and hot, with a high near 99. South southeast wind around 5 mph.
Sunday Night
Mostly clear, with a low around 76. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny and hot, with a high near 99. Calm wind becoming southeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 77.
Tuesday
Sunny and hot, with a high near 99.
Tuesday Night
Mostly clear, with a low around 77.
Wednesday
Sunny and hot, with a high near 99.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alamo Heights TX
 29.48°N 98.48°W (Elev. 699 ft)
Last Update:
2:46 am CDT Aug 13, 2026
Forecast Valid:
5am CDT Aug 13, 2026-6pm CDT Aug 19, 2026
 
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