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

99°F

37°C

Humidity 33%
Wind Speed SE 12 mph
Barometer 29.81 in (1007.3 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 3 Sep 5:51 pm CDT
Extended Forecast for

Alamo Heights TX

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 79. East southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 79 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: A slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 96. Heat index values as high as 103. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 96 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 76. South southeast wind 5 to 10 mph.

    Low: 76 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 96. Heat index values as high as 105. East southeast wind around 5 mph.

    High: 96 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 76. East southeast wind 5 to 10 mph becoming light south southeast after midnight.

    Low: 76 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 97. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 97 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77. East southeast wind 5 to 10 mph becoming light south after midnight.

    Low: 77 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 98. Light south wind becoming southeast 5 to 10 mph in the afternoon.

    High: 98 °F

    Sunny

  • Monday Night

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

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 79. East southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
A slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 96. Heat index values as high as 103. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 76. South southeast wind 5 to 10 mph.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 96. Heat index values as high as 105. East southeast wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 76. East southeast wind 5 to 10 mph becoming light south southeast after midnight.
Sunday
Sunny, with a high near 97. Calm wind becoming east southeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 77. East southeast wind 5 to 10 mph becoming light south after midnight.
Labor Day
Sunny, with a high near 98. Light south wind becoming southeast 5 to 10 mph in the afternoon.
Monday Night
Mostly clear, with a low around 77. Southeast wind 5 to 10 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 97.
Tuesday Night
Partly cloudy, with a low around 76.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 75.
Thursday
Mostly sunny, with a high near 96.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alamo Heights TX
 29.48°N 98.48°W (Elev. 699 ft)
Last Update:
5:46 pm CDT Sep 3, 2026
Forecast Valid:
6pm CDT Sep 3, 2026-6pm CDT Sep 10, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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