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.

Mostly Cloudy

79°F

26°C

Humidity 82%
Wind Speed SE 6 mph
Barometer 29.80 in (1007.0 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 18 May 2:51 am CDT
Extended Forecast for

Alamo Heights TX

  • Overnight

    Overnight: Mostly cloudy, with a low around 76. South southeast wind around 10 mph.

    Low: 76 °F

    Mostly Cloudy

  • Sunday

    Sunday: Widespread haze between 7am and 11am. Mostly cloudy, with a high near 97. Heat index values as high as 104. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 97 °F

    Haze then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 75. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 75 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny and hot, with a high near 99. Heat index values as high as 108. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 99 °F

    Hot

  • Monday Night

    Monday Night: Isolated showers and thunderstorms before 1am. Partly cloudy, with a low around 75. South wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 75 °F

    Isolated
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 98. South southeast wind around 5 mph becoming north in the afternoon.

    High: 98 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 73. East northeast wind around 5 mph.

    Low: 73 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 95. East wind 5 to 10 mph.

    High: 95 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 73. Southeast wind 5 to 10 mph.

    Low: 73 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 76. South southeast wind around 10 mph.
Sunday
Widespread haze between 7am and 11am. Mostly cloudy, with a high near 97. Heat index values as high as 104. South wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 75. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Partly sunny and hot, with a high near 99. Heat index values as high as 108. South wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Isolated showers and thunderstorms before 1am. Partly cloudy, with a low around 75. South wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 98. South southeast wind around 5 mph becoming north in the afternoon.
Tuesday Night
Partly cloudy, with a low around 73. East northeast wind around 5 mph.
Wednesday
Partly sunny, with a high near 95. East wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 73. Southeast wind 5 to 10 mph.
Thursday
Isolated showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 69.
Friday
Mostly sunny, with a high near 95.
Friday Night
Partly cloudy, with a low around 70.
Saturday
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 98.45°W (Elev. 797 ft)
Last Update:
2:48 am CDT May 18, 2025
Forecast Valid:
3am CDT May 18, 2025-6pm CDT May 24, 2025
 
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