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

87°F

31°C

Humidity 51%
Wind Speed S 7 mph
Barometer 30.05 in (1016.4 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 9 Jul 10:53 am CDT
Extended Forecast for

San Antonio, Stinson Municipal Airport TX

  • Today

    Today: Sunny, with a high near 98. Heat index values as high as 104. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 98 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 76. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Heat index values as high as 102. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 94 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of thunderstorms before 7pm, then a slight chance of showers after 1am. Partly cloudy, with a low around 77. Southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 77 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. South southeast wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 93 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 77. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 77 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Light east southeast wind becoming southeast 5 to 10 mph in the morning.

    High: 93 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 78. East southeast wind 5 to 10 mph.

    Low: 78 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 93. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 93 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 98. Heat index values as high as 104. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 76. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Heat index values as high as 102. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Friday Night
A chance of thunderstorms before 7pm, then a slight chance of showers after 1am. Partly cloudy, with a low around 77. Southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. South southeast wind 5 to 10 mph. Chance of precipitation is 40%.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 77. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Light east southeast wind becoming southeast 5 to 10 mph in the morning.
Sunday Night
Partly cloudy, with a low around 78. East southeast wind 5 to 10 mph.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 93. Calm wind becoming east southeast around 5 mph in the afternoon.
Monday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Partly cloudy, with a low around 77. Chance of precipitation is 40%.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 75.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Antonio, Stinson Municipal Airport TX
 29.32°N 98.47°W (Elev. 581 ft)
Last Update:
6:42 am CDT Jul 9, 2026
Forecast Valid:
11am CDT Jul 9, 2026-6pm CDT Jul 15, 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