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.

Mostly Cloudy

88°F

31°C

Humidity 63%
Wind Speed S 12 G 21 mph
Barometer 29.97 in (1013.6 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 13 Oct 11:53 am CDT
Extended Forecast for

San Antonio, Stinson Municipal Airport TX

  • Today

    Today: Mostly sunny, with a high near 94. Heat index values as high as 102. South wind around 15 mph, with gusts as high as 25 mph.

    High: 94 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 77. Southeast wind around 15 mph, with gusts as high as 30 mph.

    Low: 77 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 93. Heat index values as high as 102. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 93 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 72. Southeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 10%.

    Low: 72 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 91. Southeast wind around 10 mph.

    High: 91 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 69. Light and variable wind becoming north northeast 10 to 15 mph after midnight.

    Low: 69 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 82. Breezy, with a north northeast wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 82 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60. Breezy, with a north northeast wind 20 to 25 mph, with gusts as high as 40 mph.

    Low: 60 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 78. North northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 94. Heat index values as high as 102. South wind around 15 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 77. Southeast wind around 15 mph, with gusts as high as 30 mph.
Wednesday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 93. Heat index values as high as 102. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Wednesday Night
A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 72. Southeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 10%.
Thursday
Mostly sunny, with a high near 91. Southeast wind around 10 mph.
Thursday Night
Mostly clear, with a low around 69. Light and variable wind becoming north northeast 10 to 15 mph after midnight.
Friday
Mostly sunny, with a high near 82. Breezy, with a north northeast wind 20 to 25 mph, with gusts as high as 35 mph.
Friday Night
Partly cloudy, with a low around 60. Breezy, with a north northeast wind 20 to 25 mph, with gusts as high as 40 mph.
Saturday
Mostly sunny, with a high near 78. North northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Mostly cloudy, with a low around 63.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio, Stinson Municipal Airport TX
 29.32°N 98.45°W (Elev. 531 ft)
Last Update:
11:33 am CDT Oct 13, 2026
Forecast Valid:
11am CDT Oct 13, 2026-6pm CDT Oct 19, 2026
 
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