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

86°F

30°C

Humidity 59%
Wind Speed S 10 G 23 mph
Barometer 30.04 in (1015.2 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 10 Jul 11:51 am CDT
Extended Forecast for

Alamo Heights TX

  • This Afternoon

    This Afternoon: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 92. Heat index values as high as 100. South southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 92 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of thunderstorms before 7pm. Partly cloudy, with a low around 75. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. Heat index values as high as 101. South southeast wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    High: 91 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers after 1am. Mostly cloudy, with a low around 77. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 77 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 92. Southeast wind around 5 mph.

    High: 92 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 77. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 77 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. South southeast wind around 5 mph.

    High: 93 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 75. East southeast wind 5 to 10 mph. Chance of precipitation is 60%.

    Low: 75 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 89. Southeast wind around 5 mph. Chance of precipitation is 40%.

    High: 89 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 92. Heat index values as high as 100. South southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Tonight
A chance of thunderstorms before 7pm. Partly cloudy, with a low around 75. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Saturday
A slight chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. Heat index values as high as 101. South southeast wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers after 1am. Mostly cloudy, with a low around 77. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 92. Southeast wind around 5 mph.
Sunday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 77. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. South southeast wind around 5 mph.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 75. East southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 89. Southeast wind around 5 mph. Chance of precipitation is 40%.
Tuesday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly cloudy, with a low around 74. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 75.
Thursday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alamo Heights TX
 29.48°N 98.48°W (Elev. 699 ft)
Last Update:
11:46 am CDT Jul 10, 2026
Forecast Valid:
12pm CDT Jul 10, 2026-6pm CDT Jul 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation