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

78°F

26°C

Humidity 69%
Wind Speed SE 17 mph
Barometer 29.84 in (1008.6 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 6 Mar 7:51 pm CST
Extended Forecast for

Alamo Heights TX

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 69. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. High near 83. South southeast wind around 10 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 57. North northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 57 °F

    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Cloudy, with a high near 68. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    High: 68 °F

    Showers
    Likely then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms. Cloudy, with a low around 63. East wind around 5 mph.

    Low: 63 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms. Cloudy, with a high near 81. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 81 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers, then a chance of showers and thunderstorms after midnight. Cloudy, with a low around 68. South southeast wind around 10 mph. Chance of precipitation is 40%.

    Low: 68 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 83. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before midnight, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 64. Southeast wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

    Low: 64 °F

    T-storms
    Likely then
    Showers
    Likely

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 69. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. High near 83. South southeast wind around 10 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm. Low around 57. North northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Cloudy, with a high near 68. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Sunday Night
A 40 percent chance of showers and thunderstorms. Cloudy, with a low around 63. East wind around 5 mph.
Monday
A chance of showers and thunderstorms. Cloudy, with a high near 81. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Monday Night
A slight chance of showers, then a chance of showers and thunderstorms after midnight. Cloudy, with a low around 68. South southeast wind around 10 mph. Chance of precipitation is 40%.
Tuesday
A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 83. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Showers and thunderstorms likely before midnight, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 64. Southeast wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Wednesday
A 40 percent chance of showers, mainly before noon. Mostly sunny, with a high near 80.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 55.
Thursday
Sunny, with a high near 71.
Thursday Night
Clear, with a low around 50.
Friday
Sunny, with a high near 77.
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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:
5:46 pm CST Mar 6, 2026
Forecast Valid:
8pm CST Mar 6, 2026-6pm CDT Mar 13, 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