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

71°F

22°C

Humidity 87%
Wind Speed SE 3 mph
Barometer 30.02 in (1015.5 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 20 Sep 7:53 am CDT
Extended Forecast for

3 Miles S San Antonio TX

  • Today

    Today: Mostly sunny, with a high near 95. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 95 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 74. South southeast wind 5 to 10 mph.

    Low: 74 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 95. Heat index values as high as 100. South southeast wind 5 to 10 mph.

    High: 95 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. South southeast wind 5 to 10 mph.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 97. South southeast wind 5 to 10 mph.

    High: 97 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. Southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 98. South southeast wind 5 to 10 mph.

    High: 98 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers. Mostly clear, with a low around 77. Southeast wind 5 to 10 mph.

    Low: 77 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 95. Northeast wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 95 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 95. Calm wind becoming southeast around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 74. South southeast wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 95. Heat index values as high as 100. South southeast wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 75. South southeast wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 97. South southeast wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 76. Southeast wind around 10 mph, with gusts as high as 20 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 98. South southeast wind 5 to 10 mph.
Tuesday Night
A 40 percent chance of showers. Mostly clear, with a low around 77. Southeast wind 5 to 10 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 95. Northeast wind 5 to 10 mph. Chance of precipitation is 40%.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 74.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Thursday Night
Partly cloudy, with a low around 73.
Friday
Mostly sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S San Antonio TX
 29.41°N 98.5°W (Elev. 630 ft)
Last Update:
6:42 am CDT Sep 20, 2025
Forecast Valid:
8am CDT Sep 20, 2025-6pm CDT Sep 26, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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