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

66°F

19°C

Humidity 84%
Wind Speed N 10 mph
Barometer 29.90 in (1010.9 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 30 Apr 9:51 am CDT
Extended Forecast for

Alamo Heights TX

  • Today

    Today: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82. East northeast wind around 10 mph.

    High: 82 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 63. Northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 63 °F

    Chance
    T-storms then
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 67. East northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 67 °F

    Showers then
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Mostly cloudy, with a low around 52. North northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    Low: 52 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 72. North wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 72 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51. Northeast wind 5 to 10 mph.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 77. North northeast wind around 5 mph becoming southeast in the afternoon.

    High: 77 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 57. Southeast wind around 5 mph.

    Low: 57 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 83. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 83 °F

    Partly Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82. East northeast wind around 10 mph.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 63. Northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Friday
Showers and possibly a thunderstorm. High near 67. East northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Friday Night
A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Mostly cloudy, with a low around 52. North northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 72. North wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 51. Northeast wind 5 to 10 mph.
Sunday
Partly sunny, with a high near 77. North northeast wind around 5 mph becoming southeast in the afternoon.
Sunday Night
Mostly cloudy, with a low around 57. Southeast wind around 5 mph.
Monday
Partly sunny, with a high near 83. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 66.
Tuesday
Mostly cloudy, with a high near 89.
Tuesday Night
Mostly cloudy, with a low around 71.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 90.
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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:
6:44 am CDT Apr 30, 2026
Forecast Valid:
10am CDT Apr 30, 2026-6pm CDT May 6, 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