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.

Overcast with Haze

84°F

29°C

Humidity 72%
Wind Speed S 12 mph
Barometer 29.90 in (1010.5 mb)
Dewpoint 74°F (23°C)
Visibility 6.00 mi
Heat Index91°F (33°C)
Last update 28 Apr 1:51 pm CDT
Extended Forecast for

Alamo Heights TX

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 92. Heat index values as high as 102. South wind around 10 mph.

    High: 92 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 74. South southeast wind 5 to 10 mph.

    Low: 74 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. East wind 5 to 10 mph.

    High: 91 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms. Increasing clouds, with a low around 69. Northeast wind around 10 mph.

    Low: 69 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 84. East wind around 10 mph, with gusts as high as 20 mph.

    High: 84 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 66. East northeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Chance
    T-storms

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 77. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    High: 77 °F

    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 54. Breezy, with a north northeast wind 20 to 25 mph, with gusts as high as 35 mph.

    Low: 54 °F

    Chance
    T-storms and
    Breezy

  • Saturday

    Saturday: Partly sunny, with a high near 71. North northeast wind around 15 mph, with gusts as high as 30 mph.

    High: 71 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 92. Heat index values as high as 102. South wind around 10 mph.
Tonight
Partly cloudy, with a low around 74. South southeast wind 5 to 10 mph.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. East wind 5 to 10 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Increasing clouds, with a low around 69. Northeast wind around 10 mph.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 84. East wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 66. East northeast wind around 10 mph, with gusts as high as 20 mph.
Friday
Showers and possibly a thunderstorm. High near 77. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 54. Breezy, with a north northeast wind 20 to 25 mph, with gusts as high as 35 mph.
Saturday
Partly sunny, with a high near 71. North northeast wind around 15 mph, with gusts as high as 30 mph.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Partly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alamo Heights TX
 29.46°N 98.45°W (Elev. 797 ft)
Last Update:
1:24 pm CDT Apr 28, 2026
Forecast Valid:
2pm CDT Apr 28, 2026-6pm CDT May 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation