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

86°F

30°C

Humidity 49%
Wind Speed SE 14 mph
Barometer 29.95 in (1013.0 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 16 Apr 1:53 pm CDT
Extended Forecast for

San Antonio, Stinson Municipal Airport TX

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 90. South southeast wind around 10 mph, with gusts as high as 20 mph.

    High: 90 °F

    Partly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 70. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 70 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 92. South southeast wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 92 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 69. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 69 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 81. Southeast wind 5 to 15 mph becoming north northeast in the afternoon. Winds could gust as high as 30 mph.

    High: 81 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 56. North northeast wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 60%.

    Low: 56 °F

    Showers
    Likely

  • Sunday

    Sunday: A 20 percent chance of showers. Mostly cloudy, with a high near 73. Northeast wind around 15 mph, with gusts as high as 30 mph.

    High: 73 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 56. East northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 68. East northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 68 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

This Afternoon
Partly sunny, with a high near 90. South southeast wind around 10 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around 70. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 92. South southeast wind 10 to 15 mph, with gusts as high as 30 mph.
Friday Night
Mostly cloudy, with a low around 69. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 81. Southeast wind 5 to 15 mph becoming north northeast in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 56. North northeast wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 60%.
Sunday
A 20 percent chance of showers. Mostly cloudy, with a high near 73. Northeast wind around 15 mph, with gusts as high as 30 mph.
Sunday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 56. East northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 68. East northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Tuesday
A 30 percent chance of showers and thunderstorms. Cloudy, with a high near 75.
Tuesday Night
Mostly cloudy, with a low around 65.
Wednesday
Mostly cloudy, 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:
1:44 pm CDT Apr 16, 2026
Forecast Valid:
2pm CDT Apr 16, 2026-6pm CDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation