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

96°F

36°C

Humidity 37%
Wind Speed Vrbl 6 mph
Barometer 29.99 in (1013.4 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 29 Aug 3:51 pm CDT
Extended Forecast for

Balcones Heights TX

  • Tonight

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

    Low: 76 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 97. Heat index values as high as 103. South southeast wind around 5 mph.

    High: 97 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 76. Southeast wind 5 to 10 mph.

    Low: 76 °F

    Increasing
    Clouds

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 98. Heat index values as high as 104. Southeast wind 5 to 10 mph.

    High: 98 °F

    Becoming
    Sunny

  • Monday Night

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

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 98. South southeast wind around 5 mph.

    High: 98 °F

    Sunny

  • Tuesday Night

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

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 98. South southeast wind around 5 mph.

    High: 98 °F

    Sunny

  • Wednesday Night

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

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 76. South southeast wind 5 to 10 mph.
Sunday
Sunny, with a high near 97. Heat index values as high as 103. South southeast wind around 5 mph.
Sunday Night
Increasing clouds, with a low around 76. Southeast wind 5 to 10 mph.
Monday
Partly sunny, then gradually becoming sunny, with a high near 98. Heat index values as high as 104. Southeast wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 76. Southeast wind 5 to 10 mph.
Tuesday
Sunny, with a high near 98. South southeast wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 77. Southeast wind 5 to 10 mph.
Wednesday
Sunny, with a high near 98. South southeast wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 77. Southeast wind 5 to 10 mph.
Thursday
Sunny, with a high near 98.
Thursday Night
Mostly clear, with a low around 77.
Friday
Mostly sunny, with a high near 98.
Friday Night
Mostly clear, with a low around 77.
Saturday
Sunny and hot, with a high near 99.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Balcones Heights TX
 29.48°N 98.56°W (Elev. 784 ft)
Last Update:
2:46 pm CDT Aug 29, 2026
Forecast Valid:
4pm CDT Aug 29, 2026-6pm CDT Sep 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation