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

98°F

37°C

Humidity 31%
Wind Speed SE 9 mph
Barometer 29.81 in (1007.8 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 5 Sep 6:53 pm CDT
Extended Forecast for

4 Miles WSW San Antonio, Stinson Municipal Airport TX

  • Tonight

    Tonight: Partly cloudy, with a low around 77. East southeast wind 5 to 10 mph.

    Low: 77 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 97. Heat index values as high as 101. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 97 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 7pm, then a slight chance of showers after 4am. Partly cloudy, with a low around 77. Northeast wind 5 to 10 mph becoming south southeast after midnight. Chance of precipitation is 30%.

    Low: 77 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Labor Day

    Labor Day: A 10 percent chance of showers before 7am. Sunny, with a high near 98. Heat index values as high as 104. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 98 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 77. South southeast wind 5 to 10 mph.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99. Light southeast wind increasing to 5 to 10 mph in the afternoon.

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 76. South southeast wind 5 to 10 mph.

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 97. Light east southeast wind becoming southeast 5 to 10 mph in the morning.

    High: 97 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 76. Southeast wind 5 to 10 mph becoming light south southeast after midnight.

    Low: 76 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 77. East southeast wind 5 to 10 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 97. Heat index values as high as 101. Calm wind becoming south southeast around 5 mph in the afternoon.
Sunday Night
A chance of showers and thunderstorms before 7pm, then a slight chance of showers after 4am. Partly cloudy, with a low around 77. Northeast wind 5 to 10 mph becoming south southeast after midnight. Chance of precipitation is 30%.
Labor Day
A 10 percent chance of showers before 7am. Sunny, with a high near 98. Heat index values as high as 104. Calm wind becoming southeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 77. South southeast wind 5 to 10 mph.
Tuesday
Sunny and hot, with a high near 99. Light southeast wind increasing to 5 to 10 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 76. South southeast wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 97. Light east southeast wind becoming southeast 5 to 10 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 76. Southeast wind 5 to 10 mph becoming light south southeast after midnight.
Thursday
Mostly sunny, with a high near 97.
Thursday Night
Mostly clear, with a low around 77.
Friday
Sunny, with a high near 98.
Friday Night
Partly cloudy, with a low around 76.
Saturday
Mostly sunny and hot, with a high near 99.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW San Antonio, Stinson Municipal Airport TX
 29.3°N 98.53°W (Elev. 571 ft)
Last Update:
6:46 pm CDT Sep 5, 2026
Forecast Valid:
7pm CDT Sep 5, 2026-6pm CDT Sep 12, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation