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.

Partly Cloudy

95°F

35°C

Humidity 46%
Wind Speed SE 8 mph
Barometer 30.02 in (1015.1 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 12 Jul 2:53 pm CDT
Extended Forecast for

4 Miles NNW San Antonio, Stinson Municipal Airport TX

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Heat index values as high as 102. Southeast wind around 10 mph.

    High: 92 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Increasing clouds, with a low around 77. Southeast wind 5 to 10 mph.

    Low: 77 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. Heat index values as high as 101. South southeast wind around 5 mph.

    High: 91 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 76. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.

    Low: 76 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 87. Southeast wind around 5 mph. Chance of precipitation is 40%.

    High: 87 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms, then a chance of showers after 10pm. Cloudy, with a low around 74. East southeast wind 5 to 10 mph. Chance of precipitation is 50%.

    Low: 74 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 86. East southeast wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 86 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. East wind 5 to 10 mph.

    Low: 74 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 87. East southeast wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 87 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Heat index values as high as 102. Southeast wind around 10 mph.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Increasing clouds, with a low around 77. Southeast wind 5 to 10 mph.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. Heat index values as high as 101. South southeast wind around 5 mph.
Monday Night
Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 76. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 87. Southeast wind around 5 mph. Chance of precipitation is 40%.
Tuesday Night
A slight chance of showers and thunderstorms, then a chance of showers after 10pm. Cloudy, with a low around 74. East southeast wind 5 to 10 mph. Chance of precipitation is 50%.
Wednesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 86. East southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. East wind 5 to 10 mph.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 87. East southeast wind 5 to 10 mph. Chance of precipitation is 30%.
Thursday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 75.
Friday
Partly sunny, with a high near 89.
Friday Night
Partly cloudy, with a low around 76.
Saturday
Mostly sunny, with a high near 91.
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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:
2:46 pm CDT Jul 12, 2026
Forecast Valid:
3pm CDT Jul 12, 2026-6pm CDT Jul 18, 2026
 
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