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.

Overcast

80°F

27°C

Humidity 69%
Wind Speed Calm
Barometer 29.93 in (1011.3 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 2 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. Northeast wind around 5 mph.

    High: 100 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 76. East wind around 5 mph becoming southwest after midnight.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 100. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 100 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 77. Southeast wind 5 to 10 mph.

    Low: 77 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99. South southeast wind 5 to 10 mph.

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 98. South wind 5 to 10 mph.

    High: 98 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Mostly Clear

  • Thursday

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

    High: 97 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny and hot, with a high near 100. Northeast wind around 5 mph.
Tonight
Mostly clear, with a low around 76. East wind around 5 mph becoming southwest after midnight.
Monday
Sunny and hot, with a high near 100. Calm wind becoming south southeast around 5 mph in the afternoon.
Monday Night
Clear, with a low around 77. Southeast wind 5 to 10 mph.
Tuesday
Sunny and hot, with a high near 99. South southeast wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 77. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 98. South wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 77. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 97. South wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 77.
Friday
Mostly sunny, with a high near 96.
Friday Night
Mostly clear, with a low around 77.
Saturday
Mostly sunny, with a high near 97.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alamo Heights TX
 29.48°N 98.45°W (Elev. 797 ft)
Last Update:
5:32 am CDT Aug 2, 2026
Forecast Valid:
5am CDT Aug 2, 2026-6pm CDT Aug 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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Chance of Precipitation