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

28°C

83°F

Humidity 74%
Wind Speed SE 19 km/h
Barometer 1016.5 mb (30.06 in)
Dewpoint 23°C (74°F)
Visibility 16 km
Heat Index32°C (90°F)
Last update 14 Aug 10:53 pm CDT
Extended Forecast for

3 Miles SSE San Antonio TX

  • Tonight

    Tonight: Partly cloudy, with a low around 26. South southeast wind 10 to 20 km/h, with gusts as high as 35 km/h.

    Low: 26 °C

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 38. Heat index values as high as 41. South southeast wind 10 to 15 km/h.

    High: 38 °C

    Hot

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 24. South southeast wind 15 to 20 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 35 km/h.

    Low: 24 °C

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny and hot, with a high near 38. Heat index values as high as 41. South southeast wind 5 to 10 km/h.

    High: 38 °C

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 24. South southeast wind 15 to 20 km/h decreasing to 5 to 10 km/h after midnight. Winds could gust as high as 30 km/h.

    Low: 24 °C

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 37. Calm wind becoming southeast 5 to 10 km/h in the afternoon.

    High: 37 °C

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 25. South southeast wind 10 to 15 km/h.

    Low: 25 °C

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 38. South wind 5 to 10 km/h.

    High: 38 °C

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 25. South southeast wind 10 to 20 km/h, with gusts as high as 30 km/h.

    Low: 25 °C

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 26. South southeast wind 10 to 20 km/h, with gusts as high as 35 km/h.
Saturday
Mostly sunny and hot, with a high near 38. Heat index values as high as 41. South southeast wind 10 to 15 km/h.
Saturday Night
Increasing clouds, with a low around 24. South southeast wind 15 to 20 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 35 km/h.
Sunday
Partly sunny, then gradually becoming sunny and hot, with a high near 38. Heat index values as high as 41. South southeast wind 5 to 10 km/h.
Sunday Night
Mostly clear, with a low around 24. South southeast wind 15 to 20 km/h decreasing to 5 to 10 km/h after midnight. Winds could gust as high as 30 km/h.
Monday
Sunny and hot, with a high near 37. Calm wind becoming southeast 5 to 10 km/h in the afternoon.
Monday Night
Clear, with a low around 25. South southeast wind 10 to 15 km/h.
Tuesday
Sunny and hot, with a high near 38. South wind 5 to 10 km/h.
Tuesday Night
Mostly clear, with a low around 25. South southeast wind 10 to 20 km/h, with gusts as high as 30 km/h.
Wednesday
Sunny and hot, with a high near 38.
Wednesday Night
Clear, with a low around 25.
Thursday
Sunny and hot, with a high near 38.
Thursday Night
Mostly clear, with a low around 26.
Friday
Sunny and hot, with a high near 38.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE San Antonio TX
 29.41°N 98.5°W (Elev. 630 m)
Last Update:
6:42 pm CDT Aug 14, 2026
Forecast Valid:
11pm CDT Aug 14, 2026-6pm CDT Aug 21, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation