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.

Partly Cloudy

75°F

24°C

Humidity 64%
Wind Speed SE 16 mph
Barometer 29.97 in (1013.1 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 4 Mar 8:51 pm CST
Extended Forecast for

San Antonio International Airport TX

  • Tonight

    Tonight: Increasing clouds, with a low around 68. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 68 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A chance of showers and thunderstorms before 9am, then a slight chance of showers. Cloudy, then gradually becoming mostly sunny, with a high near 85. South southeast wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 85 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers, then a chance of showers and thunderstorms after 9pm. Increasing clouds, with a low around 67. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 67 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 9am. Mostly cloudy, with a high near 82. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    High: 82 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 69. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.

    Low: 69 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 9am, then showers likely between 9am and noon, then showers and possibly a thunderstorm after noon. High near 83. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    High: 83 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 60. North northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    Low: 60 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 73. Northeast wind 5 to 10 mph. Chance of precipitation is 80%.

    High: 73 °F

    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. East northeast wind around 5 mph.

    Low: 64 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Tonight
Increasing clouds, with a low around 68. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
A chance of showers and thunderstorms before 9am, then a slight chance of showers. Cloudy, then gradually becoming mostly sunny, with a high near 85. South southeast wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Thursday Night
A slight chance of showers, then a chance of showers and thunderstorms after 9pm. Increasing clouds, with a low around 67. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Friday
Showers likely, with thunderstorms also possible after 9am. Mostly cloudy, with a high near 82. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 69. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Saturday
Showers likely and possibly a thunderstorm before 9am, then showers likely between 9am and noon, then showers and possibly a thunderstorm after noon. High near 83. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm. Low around 60. North northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Sunday
Showers and possibly a thunderstorm. High near 73. Northeast wind 5 to 10 mph. Chance of precipitation is 80%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. East northeast wind around 5 mph.
Monday
A 50 percent chance of showers. Mostly cloudy, with a high near 83.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Tuesday
A 50 percent chance of showers. Mostly cloudy, with a high near 80.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Wednesday
Sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio International Airport TX
 29.55°N 98.46°W (Elev. 751 ft)
Last Update:
8:57 pm CST Mar 4, 2026
Forecast Valid:
9pm CST Mar 4, 2026-6pm CDT Mar 11, 2026
 
Forecast Discussion
 
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Additional Resources

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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