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

91°F

33°C

Humidity 50%
Wind Speed S 10 mph
Barometer 29.98 in (1014.0 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 19 Sep 12:53 pm CDT
Extended Forecast for

San Antonio, Stinson Municipal Airport TX

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 97. Heat index values as high as 103. South southeast wind around 5 mph.

    High: 97 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 75. South southeast wind 5 to 10 mph.

    Low: 75 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 98. Heat index values as high as 103. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 98 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 76. South southeast wind around 5 mph.

    Low: 76 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny and hot, with a high near 99. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 99 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. Southeast wind 5 to 10 mph becoming light after midnight.

    Low: 76 °F

    Mostly Clear

  • Tuesday

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

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 77. East southeast wind 5 to 10 mph becoming light in the evening.

    Low: 77 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 99. East wind 5 to 10 mph.

    High: 99 °F

    Hot

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 97. Heat index values as high as 103. South southeast wind around 5 mph.
Tonight
Partly cloudy, with a low around 75. South southeast wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 98. Heat index values as high as 103. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 76. South southeast wind around 5 mph.
Monday
Mostly sunny and hot, with a high near 99. Calm wind becoming east southeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 76. Southeast wind 5 to 10 mph becoming light after midnight.
Tuesday
Sunny and hot, with a high near 99. Light east northeast wind becoming east 5 to 10 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 77. East southeast wind 5 to 10 mph becoming light in the evening.
Wednesday
Mostly sunny and hot, with a high near 99. East wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 77.
Thursday
Mostly sunny, with a high near 98.
Thursday Night
Partly cloudy, with a low around 76.
Friday
Mostly sunny, with a high near 98.
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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:
1:24 pm CDT Sep 19, 2026
Forecast Valid:
1pm CDT Sep 19, 2026-6pm CDT Sep 25, 2026
 
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Additional Resources

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