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

86°F

30°C

Humidity 59%
Wind Speed SE 13 G 21 mph
Barometer 29.92 in (1011.7 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 4 Sep 10:53 pm CDT
Extended Forecast for

4 Miles NNW San Antonio, Stinson Municipal Airport TX

  • Tonight

    Tonight: Mostly cloudy, with a low around 77. Southeast wind around 5 mph.

    Low: 77 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 97. Heat index values as high as 104. Calm wind becoming east around 5 mph in the afternoon.

    High: 97 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 77. East wind 5 to 10 mph becoming light south southeast after midnight.

    Low: 77 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 98. Heat index values as high as 105. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 98 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 77. South wind 5 to 10 mph.

    Low: 77 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Mostly sunny, with a high near 98. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 98 °F

    Mostly Sunny

  • 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: A slight chance of showers, with thunderstorms also possible after 1pm. Sunny, with a high near 98. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 98 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77. Southeast wind 5 to 10 mph.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 77. Southeast wind around 5 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 97. Heat index values as high as 104. Calm wind becoming east around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 77. East wind 5 to 10 mph becoming light south southeast after midnight.
Sunday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 98. Heat index values as high as 105. Calm wind becoming east southeast around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 77. South wind 5 to 10 mph.
Labor Day
Mostly sunny, with a high near 98. 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
A slight chance of showers, with thunderstorms also possible after 1pm. Sunny, with a high near 98. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 77. Southeast wind 5 to 10 mph.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 97. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 76.
Thursday
Mostly sunny, with a high near 96.
Thursday Night
Mostly clear, with a low around 76.
Friday
Mostly sunny, with a high near 98.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW San Antonio, Stinson Municipal Airport TX
 29.39°N 98.5°W (Elev. 607 ft)
Last Update:
7:44 pm CDT Sep 4, 2026
Forecast Valid:
11pm CDT Sep 4, 2026-6pm CDT Sep 11, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation