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

88°F

31°C

Humidity 48%
Wind Speed E 9 mph
Barometer 29.89 in (1010.1 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 20 Jul 8:51 pm CDT
Extended Forecast for

Alamo Heights TX

  • Tonight

    Tonight: Mostly clear, with a low around 73. Southeast wind 5 to 10 mph.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 97. Heat index values as high as 100. Calm wind becoming south around 5 mph in the afternoon.

    High: 97 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77. Southeast wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 99. Heat index values as high as 106. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 99 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 82. East southeast wind around 5 mph becoming west after midnight.

    Low: 82 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 98. West northwest wind around 5 mph becoming east southeast in the afternoon.

    High: 98 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 81. East wind 5 to 10 mph.

    Low: 81 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Sunny, with a high near 97. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 97 °F

    Sunny then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 79. Southeast wind 5 to 10 mph.

    Low: 79 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 73. Southeast wind 5 to 10 mph.
Tuesday
Sunny, with a high near 97. Heat index values as high as 100. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 77. Southeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny and hot, with a high near 99. Heat index values as high as 106. Calm wind becoming east southeast around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 82. East southeast wind around 5 mph becoming west after midnight.
Thursday
Sunny, with a high near 98. West northwest wind around 5 mph becoming east southeast in the afternoon.
Thursday Night
Mostly clear, with a low around 81. East wind 5 to 10 mph.
Friday
A 20 percent chance of showers after 1pm. Sunny, with a high near 97. Calm wind becoming south southeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 79. Southeast wind 5 to 10 mph.
Saturday
Sunny, with a high near 97.
Saturday Night
Mostly clear, with a low around 78.
Sunday
Sunny, with a high near 96.
Sunday Night
Mostly clear, with a low around 78.
Monday
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 98.48°W (Elev. 699 ft)
Last Update:
6:42 pm CDT Jul 20, 2026
Forecast Valid:
9pm CDT Jul 20, 2026-6pm CDT Jul 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation