National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

San Antonio, Stinson Municipal Airport (KSSF)

Lat: 29.34°NLon: 98.47°WElev: 574ft.

Fair

76°F

24°C

Humidity 64%
Wind Speed SE 14 G 21 mph
Barometer 29.94 in (1012.9 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 31 Mar 9:53 pm CDT
Extended Forecast for

San Antonio, Stinson Municipal 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

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 91. South southeast wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 91 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 70. South southeast wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.

    Low: 70 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 87. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 87 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 70. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 70 °F

    Chance
    T-storms

  • Friday

    Friday: Mostly cloudy, with a high near 90. Southeast wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 90 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 69. Southeast wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 69 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 79. South southeast wind 10 to 15 mph becoming northeast in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%.

    High: 79 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 54. North northeast wind around 15 mph, with gusts as high as 30 mph.

    Low: 54 °F

    Chance
    Showers

Detailed Forecast

Tonight
Increasing clouds, with a low around 68. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 91. South southeast wind 10 to 15 mph, with gusts as high as 30 mph.
Wednesday Night
A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 70. South southeast wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 87. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 70. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly cloudy, with a high near 90. Southeast wind 10 to 15 mph, with gusts as high as 30 mph.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 69. Southeast wind 10 to 20 mph, with gusts as high as 30 mph.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 79. South southeast wind 10 to 15 mph becoming northeast in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%.
Saturday Night
A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 54. North northeast wind around 15 mph, with gusts as high as 30 mph.
Sunday
A chance of showers and thunderstorms. Cloudy, with a high near 67. Chance of precipitation is 40%.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 51.
Monday
Partly sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Partly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio, Stinson Municipal Airport TX
 29.35°N 98.48°W (Elev. 577 ft)
Last Update:
6:46 pm CDT Mar 31, 2026
Forecast Valid:
10pm CDT Mar 31, 2026-6pm CDT Apr 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation