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

76°F

24°C

Humidity 72%
Wind Speed S 13 G 23 mph
Barometer 29.94 in (1012.8 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 5 Mar 9:53 am CST
Extended Forecast for

San Antonio, Stinson Municipal Airport TX

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 87. South southeast wind around 15 mph, with gusts as high as 30 mph.

    High: 87 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: A 20 percent chance of showers after 3am. Increasing clouds, with a low around 68. Southeast wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 68 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A slight chance of showers, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 85. South southeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms. Increasing clouds, with a low around 69. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 9am, then showers likely between 9am and noon, then showers and possibly a thunderstorm after noon. High near 83. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    High: 83 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 61. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    Low: 61 °F

    T-storms

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 73. Northeast wind around 10 mph. Chance of precipitation is 80%.

    High: 73 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. East wind 5 to 10 mph. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely and possibly a thunderstorm. Cloudy, with a high near 83. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 83 °F

    Showers
    Likely

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 87. South southeast wind around 15 mph, with gusts as high as 30 mph.
Tonight
A 20 percent chance of showers after 3am. Increasing clouds, with a low around 68. Southeast wind 10 to 15 mph, with gusts as high as 30 mph.
Friday
A slight chance of showers, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 85. South southeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of showers and thunderstorms. Increasing clouds, with a low around 69. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Saturday
Showers likely and possibly a thunderstorm before 9am, then showers likely between 9am and noon, then showers and possibly a thunderstorm after noon. High near 83. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm. Low around 61. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Sunday
Showers and possibly a thunderstorm. High near 73. Northeast wind around 10 mph. Chance of precipitation is 80%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. East wind 5 to 10 mph. Chance of precipitation is 60%.
Monday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 83. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Monday Night
A chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Wednesday
A 20 percent chance of showers. Sunny, with a high near 81.
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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:
6:44 am CST Mar 5, 2026
Forecast Valid:
10am CST Mar 5, 2026-6pm CDT Mar 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation