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

80°F

27°C

Humidity 85%
Wind Speed SE 7 mph
Barometer 29.95 in (1012.9 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 13 Oct 12:53 am CDT
Extended Forecast for

3 Miles SSE San Antonio TX

  • Overnight

    Overnight: Mostly cloudy, with a low around 78. South southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 78 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 95. Heat index values as high as 102. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 95 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear during the evening, then mostly cloudy overnight, with a low around 79. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 79 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 93. Heat index values as high as 101. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 93 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 72. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 72 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 91. East southeast wind 5 to 10 mph.

    High: 91 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 69. East southeast wind 5 to 10 mph becoming light and variable. Winds could gust as high as 20 mph.

    Low: 69 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 84. North northeast wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 84 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 62. Breezy, with a north northeast wind 15 to 25 mph, with gusts as high as 40 mph.

    Low: 62 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Breezy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 78. South southeast wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 95. Heat index values as high as 102. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear during the evening, then mostly cloudy overnight, with a low around 79. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 93. Heat index values as high as 101. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 72. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 91. East southeast wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 69. East southeast wind 5 to 10 mph becoming light and variable. Winds could gust as high as 20 mph.
Friday
Mostly sunny, with a high near 84. North northeast wind 15 to 20 mph, with gusts as high as 35 mph.
Friday Night
Partly cloudy, with a low around 62. Breezy, with a north northeast wind 15 to 25 mph, with gusts as high as 40 mph.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 63.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 85.
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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 ft)
Last Update:
12:44 am CDT Oct 13, 2026
Forecast Valid:
1am CDT Oct 13, 2026-6pm CDT Oct 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation