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.

A Few Clouds

79°F

26°C

Humidity 74%
Wind Speed S 10 mph
Barometer 30.07 in (1016.3 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 9 Jul 1:51 am CDT
Extended Forecast for

Balcones Heights TX

  • Overnight

    Overnight: Clear, with a low around 75. South southeast wind around 5 mph.

    Low: 75 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 97. Heat index values as high as 102. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 97 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Heat index values as high as 101. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 94 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of thunderstorms before 7pm, then a slight chance of showers after 1am. Partly cloudy, with a low around 77. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 77 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. South southeast wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 93 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 77. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 77 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Calm wind becoming southeast around 5 mph in the morning.

    High: 93 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 77. Southeast wind 5 to 10 mph.

    Low: 77 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Clear, with a low around 75. South southeast wind around 5 mph.
Thursday
Sunny, with a high near 97. Heat index values as high as 102. South wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 76. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Heat index values as high as 101. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
A chance of thunderstorms before 7pm, then a slight chance of showers after 1am. Partly cloudy, with a low around 77. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. South southeast wind 5 to 10 mph. Chance of precipitation is 40%.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 77. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Calm wind becoming southeast around 5 mph in the morning.
Sunday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 77. Southeast wind 5 to 10 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 93.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Balcones Heights TX
 29.48°N 98.53°W (Elev. 748 ft)
Last Update:
1:24 am CDT Jul 9, 2026
Forecast Valid:
2am CDT Jul 9, 2026-6pm CDT Jul 15, 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