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

79°F

26°C

Humidity 85%
Wind Speed SE 7 mph
Barometer 30.06 in (1016.1 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 10 Aug 7:51 am CDT
Extended Forecast for

Alamo Heights TX

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 97. Heat index values as high as 106. South southeast wind 5 to 10 mph.

    High: 97 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 78. Southeast wind 10 to 15 mph.

    Low: 78 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny and hot, with a high near 99. Heat index values as high as 108. South wind 5 to 10 mph.

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 78. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 78 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 100. South southeast wind 5 to 15 mph.

    High: 100 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 100. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 100 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 77. Southeast wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 77 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny and hot, with a high near 99. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 99 °F

    Hot

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 97. Heat index values as high as 106. South southeast wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 78. Southeast wind 10 to 15 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny and hot, with a high near 99. Heat index values as high as 108. South wind 5 to 10 mph.
Tuesday Night
Increasing clouds, with a low around 78. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny and hot, with a high near 100. South southeast wind 5 to 15 mph.
Wednesday Night
Mostly clear, with a low around 77. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny and hot, with a high near 100. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 77. Southeast wind 10 to 20 mph, with gusts as high as 30 mph.
Friday
Mostly sunny and hot, with a high near 99. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 77.
Saturday
Mostly sunny, with a high near 98.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Mostly sunny, with a high near 98.
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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:
6:42 am CDT Aug 10, 2026
Forecast Valid:
8am CDT Aug 10, 2026-6pm CDT Aug 16, 2026
 
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Additional Resources

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Chance of Precipitation