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 and Breezy

84°F

29°C

Humidity 51%
Wind Speed SE 22 G 30 mph
Barometer 29.85 in (1009.8 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 14 Apr 6:53 pm CDT
Extended Forecast for

San Antonio, Stinson Municipal Airport TX

  • Tonight

    Tonight: Increasing clouds, with a low around 70. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 70 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms between 1pm and 4pm. Mostly cloudy, with a high near 85. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 85 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 69. Southeast wind 5 to 10 mph.

    Low: 69 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 89. South southeast wind 5 to 10 mph.

    High: 89 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 69. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 89. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 89 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 70. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 70 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 81. Southeast wind 5 to 15 mph becoming north northeast in the afternoon. Winds could gust as high as 20 mph.

    High: 81 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 57. North northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    Low: 57 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Increasing clouds, with a low around 70. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
A slight chance of showers and thunderstorms between 1pm and 4pm. Mostly cloudy, with a high near 85. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 69. Southeast wind 5 to 10 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 89. South southeast wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 69. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
Mostly cloudy, with a high near 89. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around 70. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 81. Southeast wind 5 to 15 mph becoming north northeast in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 57. North northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Sunday
A 20 percent chance of showers. Mostly cloudy, with a high near 71.
Sunday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Monday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 69.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio, Stinson Municipal Airport TX
 29.32°N 98.47°W (Elev. 581 ft)
Last Update:
6:46 pm CDT Apr 14, 2026
Forecast Valid:
7pm CDT Apr 14, 2026-6pm CDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation