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

80°F

27°C

Humidity 79%
Wind Speed E 3 mph
Barometer 30.12 in (1018.6 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 18 Sep 1:53 am CDT
Extended Forecast for

4 Miles WSW San Antonio, Stinson Municipal Airport TX

  • Overnight

    Overnight: Mostly cloudy, with a low around 76. East northeast wind around 5 mph.

    Low: 76 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 97. Heat index values as high as 104. East southeast wind 5 to 10 mph.

    High: 97 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 75. East southeast wind 5 to 10 mph becoming light east after midnight.

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 97. Heat index values as high as 101. East southeast wind around 5 mph.

    High: 97 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 74. Southeast wind 5 to 10 mph.

    Low: 74 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 98. Southeast wind around 5 mph.

    High: 98 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 76. East northeast wind around 5 mph.
Friday
Partly sunny, with a high near 97. Heat index values as high as 104. East southeast wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 75. East southeast wind 5 to 10 mph becoming light east after midnight.
Saturday
Sunny, with a high near 97. Heat index values as high as 101. East southeast wind around 5 mph.
Saturday Night
Mostly clear, with a low around 74. Southeast wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 98. Southeast wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 76. Southeast wind 5 to 10 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. East southeast wind 5 to 10 mph becoming light southeast after midnight.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 98.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Wednesday
Mostly sunny, with a high near 98.
Wednesday Night
Partly cloudy, with a low around 76.
Thursday
Mostly sunny, with a high near 97.
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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:
2:44 am CDT Sep 18, 2026
Forecast Valid:
2am CDT Sep 18, 2026-6pm CDT Sep 24, 2026
 
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