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.

A Few Clouds

93°F

34°C

Humidity 37%
Wind Speed S 9 G 24 mph
Barometer 30.04 in (1015.3 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 9 Jul 1:51 pm CDT
Extended Forecast for

3 Miles E San Antonio International Airport TX

  • This Afternoon

    This Afternoon: Sunny, with a high near 96. Heat index values as high as 101. South wind around 15 mph, with gusts as high as 20 mph.

    High: 96 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 76. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. South southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 92 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers before 7pm, then a chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 76. Southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 76 °F

    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 92. South southeast wind 5 to 10 mph. Chance of precipitation is 50%.

    High: 92 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 77. Southeast wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 77 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 93. Calm wind becoming southeast around 5 mph in the morning.

    High: 93 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78. Southeast wind 5 to 10 mph.

    Low: 78 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 93. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 93 °F

    Mostly Cloudy
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 96. Heat index values as high as 101. South wind around 15 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 76. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. South southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Friday Night
A slight chance of showers before 7pm, then a chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 76. Southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 92. South southeast wind 5 to 10 mph. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 77. Southeast wind 5 to 10 mph. Chance of precipitation is 30%.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 93. Calm wind becoming southeast around 5 mph in the morning.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78. Southeast wind 5 to 10 mph.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 93. Calm wind becoming southeast around 5 mph in the afternoon.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E San Antonio International Airport TX
 29.53°N 98.43°W (Elev. 741 ft)
Last Update:
1:32 pm CDT Jul 9, 2026
Forecast Valid:
2pm CDT Jul 9, 2026-6pm CDT Jul 15, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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