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.

Fair

79°F

26°C

Humidity 79%
Wind Speed S 8 mph
Barometer 29.99 in (1013.7 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 1 Aug 1:51 am CDT
Extended Forecast for

Alamo Heights TX

  • Overnight

    Overnight: Mostly clear, with a low around 77. South southwest wind around 5 mph.

    Low: 77 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 99. Heat index values as high as 107. Calm wind becoming east around 5 mph in the afternoon.

    High: 99 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers after 1am. Mostly cloudy, with a low around 80. North northeast wind around 5 mph becoming southwest after midnight. Chance of precipitation is 20%.

    Low: 80 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny and hot, with a high near 101. Heat index values as high as 105. North wind around 5 mph becoming east southeast in the afternoon.

    High: 101 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 78. East wind around 5 mph becoming calm in the evening.

    Low: 78 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 102. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 102 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 78. Southeast wind 5 to 10 mph.

    Low: 78 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 100. South wind 5 to 10 mph.

    High: 100 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 78. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 78 °F

    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 77. South southwest wind around 5 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 99. Heat index values as high as 107. Calm wind becoming east around 5 mph in the afternoon.
Saturday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers after 1am. Mostly cloudy, with a low around 80. North northeast wind around 5 mph becoming southwest after midnight. Chance of precipitation is 20%.
Sunday
Mostly cloudy, then gradually becoming sunny and hot, with a high near 101. Heat index values as high as 105. North wind around 5 mph becoming east southeast in the afternoon.
Sunday Night
Mostly clear, with a low around 78. East wind around 5 mph becoming calm in the evening.
Monday
Sunny and hot, with a high near 102. Calm wind becoming south southeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 78. Southeast wind 5 to 10 mph.
Tuesday
Sunny and hot, with a high near 100. South wind 5 to 10 mph.
Tuesday Night
Clear, with a low around 78. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday
Sunny and hot, with a high near 99.
Wednesday Night
Mostly clear, with a low around 77.
Thursday
Mostly sunny, with a high near 97.
Thursday Night
Mostly clear, with a low around 77.
Friday
Mostly sunny, with a high near 97.
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:
1:28 am CDT Aug 1, 2026
Forecast Valid:
2am CDT Aug 1, 2026-6pm CDT Aug 7, 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