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.

Mostly Cloudy with Haze

86°F

30°C

Humidity 53%
Wind Speed S 13 mph
Barometer 29.84 in (1009.4 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 17 Apr 1:53 pm CDT
Extended Forecast for

San Antonio, Stinson Municipal Airport TX

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 91. South southeast wind around 15 mph, with gusts as high as 25 mph.

    High: 91 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 67. Southeast wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.

    Low: 67 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly cloudy, with a temperature rising to near 76 by 11am, then falling to around 65 during the remainder of the day. East southeast wind 5 to 10 mph becoming north northeast 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 76 °F⇓

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 4am, then showers likely after 4am. Cloudy, with a low around 55. North northeast wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%.

    Low: 55 °F

    Showers
    Likely

  • Sunday

    Sunday: Mostly cloudy, with a high near 71. Northeast wind around 15 mph, with gusts as high as 30 mph.

    High: 71 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 57. East wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 57 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: Showers likely and possibly a thunderstorm. Cloudy, with a high near 66. East northeast wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 66 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60. East wind 5 to 10 mph.

    Low: 60 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Cloudy, with a high near 74. East southeast wind 5 to 10 mph.

    High: 74 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Partly sunny, with a high near 91. South southeast wind around 15 mph, with gusts as high as 25 mph.
Tonight
Mostly cloudy, with a low around 67. Southeast wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly cloudy, with a temperature rising to near 76 by 11am, then falling to around 65 during the remainder of the day. East southeast wind 5 to 10 mph becoming north northeast 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 4am, then showers likely after 4am. Cloudy, with a low around 55. North northeast wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%.
Sunday
Mostly cloudy, with a high near 71. Northeast wind around 15 mph, with gusts as high as 30 mph.
Sunday Night
A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 57. East wind 5 to 10 mph. Chance of precipitation is 20%.
Monday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 66. East northeast wind 5 to 10 mph. Chance of precipitation is 60%.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60. East wind 5 to 10 mph.
Tuesday
A 40 percent chance of showers and thunderstorms. Cloudy, with a high near 74. East southeast wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 65.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 84.
Wednesday Night
Mostly cloudy, with a low around 68.
Thursday
Mostly cloudy, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio, Stinson Municipal Airport TX
 29.32°N 98.45°W (Elev. 531 ft)
Last Update:
1:30 pm CDT Apr 17, 2026
Forecast Valid:
2pm CDT Apr 17, 2026-6pm CDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation