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

89°F

32°C

Humidity 52%
Wind Speed SE 8 mph
Barometer 30.08 in (1017.1 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 1 Aug 10:53 pm CDT
Extended Forecast for

San Antonio, Stinson Municipal Airport TX

  • Tonight

    Tonight: Mostly clear, with a low around 77. East southeast wind around 5 mph.

    Low: 77 °F

    Mostly Clear

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 100. Heat index values as high as 105. Calm wind becoming north around 5 mph in the afternoon.

    High: 100 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 77. Southwest wind around 5 mph becoming north northeast in the evening. Chance of precipitation is 30%.

    Low: 77 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny and hot, with a high near 101. Heat index values as high as 107. East wind around 5 mph becoming south southeast in the morning.

    High: 101 °F

    Hot

  • Sunday Night

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

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny and hot, with a high near 100. South southeast wind 5 to 10 mph.

    High: 100 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 76. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 98. South southeast wind 5 to 10 mph.

    High: 98 °F

    Sunny

  • Tuesday Night

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

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 77. East southeast wind around 5 mph.
Saturday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 100. Heat index values as high as 105. Calm wind becoming north around 5 mph in the afternoon.
Saturday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 77. Southwest wind around 5 mph becoming north northeast in the evening. Chance of precipitation is 30%.
Sunday
Sunny and hot, with a high near 101. Heat index values as high as 107. East wind around 5 mph becoming south southeast in the morning.
Sunday Night
Mostly clear, with a low around 77. South southeast wind 5 to 10 mph.
Monday
Mostly sunny and hot, with a high near 100. South southeast wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 76. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 98. South southeast wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 76. South southeast wind 5 to 10 mph.
Wednesday
Sunny and hot, with a high near 99.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
Sunny and hot, with a high near 100.
Thursday Night
Mostly clear, with a low around 76.
Friday
Sunny and hot, with a high near 100.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio, Stinson Municipal Airport TX
 29.35°N 98.45°W (Elev. 597 ft)
Last Update:
11:32 pm CDT Aug 1, 2025
Forecast Valid:
11pm CDT Aug 1, 2025-6pm CDT Aug 8, 2025
 
Forecast Discussion
 
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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