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.

Overcast

76°F

24°C

Humidity 79%
Wind Speed SE 17 G 26 mph
Barometer 29.83 in (1009.3 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 6 Mar 8:53 pm CST
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 20 mph.

    Low: 70 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. High near 85. Southeast wind around 10 mph becoming east northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 59. North northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 59 °F

    T-storms then
    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Cloudy, with a high near 72. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    High: 72 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms. Cloudy, with a low around 64. Northeast wind 5 to 10 mph becoming light east in the evening.

    Low: 64 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms. Cloudy, with a high near 84. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 40%.

    High: 84 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms after midnight. Cloudy, with a low around 69. Southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 85. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 65. Southeast wind 5 to 15 mph becoming south southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

    Low: 65 °F

    T-storms
    Likely

Detailed Forecast

Tonight
Increasing clouds, with a low around 70. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. High near 85. Southeast wind around 10 mph becoming east northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm. Low around 59. North northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Cloudy, with a high near 72. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Sunday Night
A 40 percent chance of showers and thunderstorms. Cloudy, with a low around 64. Northeast wind 5 to 10 mph becoming light east in the evening.
Monday
A chance of showers and thunderstorms. Cloudy, with a high near 84. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 40%.
Monday Night
A 30 percent chance of showers and thunderstorms after midnight. Cloudy, with a low around 69. Southeast wind around 10 mph, with gusts as high as 20 mph.
Tuesday
A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 85. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 65. Southeast wind 5 to 15 mph becoming south southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Wednesday
A chance of showers and thunderstorms before noon, then a slight chance of showers. Mostly sunny, with a high near 82. Chance of precipitation is 40%.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 56.
Thursday
Sunny, with a high near 76.
Thursday Night
Mostly clear, with a low around 51.
Friday
Sunny, with a high near 80.
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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:
5:46 pm CST Mar 6, 2026
Forecast Valid:
9pm CST Mar 6, 2026-6pm CDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation