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.

Overcast with Haze

87°F

31°C

Humidity 65%
Wind Speed SW 9 mph
Barometer 29.86 in (1010.0 mb)
Dewpoint 74°F (23°C)
Visibility 4.00 mi
Heat Index95°F (35°C)
Last update 28 Apr 1:53 pm CDT
Extended Forecast for

San Antonio, Stinson Municipal Airport TX

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 93. Heat index values as high as 103. South wind around 10 mph.

    High: 93 °F

    Mostly Sunny

  • Tonight

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

    Low: 74 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Partly sunny, with a high near 92. Light east wind becoming northeast 5 to 10 mph in the morning.

    High: 92 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Increasing clouds, with a low around 69. East northeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 86. East wind around 10 mph, with gusts as high as 20 mph.

    High: 86 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 67. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 67 °F

    Chance
    T-storms

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 77. East northeast wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%.

    High: 77 °F

    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 56. Breezy, with a north northeast wind 20 to 25 mph, with gusts as high as 35 mph.

    Low: 56 °F

    Chance
    T-storms and
    Breezy

  • Saturday

    Saturday: Partly sunny, with a high near 73. North northeast wind around 15 mph, with gusts as high as 30 mph.

    High: 73 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 93. Heat index values as high as 103. South wind around 10 mph.
Tonight
Increasing clouds, with a low around 74. South southeast wind 5 to 10 mph.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Partly sunny, with a high near 92. Light east wind becoming northeast 5 to 10 mph in the morning.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Increasing clouds, with a low around 69. East northeast wind around 10 mph, with gusts as high as 20 mph.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 86. East wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 67. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
Showers and possibly a thunderstorm. High near 77. East northeast wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 56. Breezy, with a north northeast wind 20 to 25 mph, with gusts as high as 35 mph.
Saturday
Partly sunny, with a high near 73. North northeast wind around 15 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Partly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio, Stinson Municipal Airport TX
 29.35°N 98.48°W (Elev. 577 ft)
Last Update:
2:46 pm CDT Apr 28, 2026
Forecast Valid:
2pm CDT Apr 28, 2026-6pm CDT May 4, 2026
 
Forecast Discussion
 
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Additional Resources

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