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

75°F

24°C

Humidity 74%
Wind Speed S 18 G 26 mph
Barometer 29.93 in (1011.9 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 16 May 9:51 am CDT
Extended Forecast for

Alamo Heights TX

  • Today

    Today: Mostly sunny, with a high near 92. South wind around 15 mph, with gusts as high as 20 mph.

    High: 92 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 75. Southeast wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 75 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 91. South southeast wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 91 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 78. Southeast wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 78 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Mostly cloudy, with a high near 93. South southeast wind around 15 mph, with gusts as high as 30 mph.

    High: 93 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 78. Southeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 78 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 93. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 93 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 74. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    Low: 74 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 87. East southeast wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 87 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 92. South wind around 15 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around 75. Southeast wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
Mostly cloudy, with a high near 91. South southeast wind 10 to 15 mph, with gusts as high as 30 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 78. Southeast wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
Mostly cloudy, with a high near 93. South southeast wind around 15 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 78. Southeast wind around 15 mph, with gusts as high as 25 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 93. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 74. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 87. East southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Thursday
Showers and thunderstorms likely. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alamo Heights TX
 29.48°N 98.45°W (Elev. 797 ft)
Last Update:
6:44 am CDT May 16, 2026
Forecast Valid:
10am CDT May 16, 2026-6pm CDT May 22, 2026
 
Forecast Discussion
 
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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