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

69°F

21°C

Humidity 93%
Wind Speed E 3 mph
Barometer 30.11 in (1018.9 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 11 Apr 3:53 am CDT
Extended Forecast for

San Antonio, Stinson Municipal Airport TX

  • Overnight

    Overnight: A 20 percent chance of showers. Mostly cloudy, with a low around 67. East southeast wind around 5 mph.

    Low: 67 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 10am. Patchy fog between 8am and 10am. Otherwise, mostly cloudy, with a high near 83. East southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Increasing clouds, with a low around 70. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Patchy fog before 11am. Otherwise, cloudy, with a high near 81. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    High: 81 °F

    Showers
    Likely and
    Patchy Fog
    then T-storms
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 4am, then a slight chance of showers. Mostly cloudy, with a low around 70. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    Low: 70 °F

    Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 86. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 86 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 69. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 84. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 84 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 69. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 69 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers. Mostly cloudy, with a low around 67. East southeast wind around 5 mph.
Saturday
A chance of showers, with thunderstorms also possible after 10am. Patchy fog between 8am and 10am. Otherwise, mostly cloudy, with a high near 83. East southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Increasing clouds, with a low around 70. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Patchy fog before 11am. Otherwise, cloudy, with a high near 81. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Sunday Night
A chance of showers and thunderstorms before 4am, then a slight chance of showers. Mostly cloudy, with a low around 70. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 86. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 69. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 84. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 69. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 85.
Wednesday Night
Mostly cloudy, with a low around 69.
Thursday
Partly sunny, with a high near 89.
Thursday Night
Partly cloudy, with a low around 70.
Friday
Partly sunny, with a high near 89.
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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:
2:44 am CDT Apr 11, 2026
Forecast Valid:
4am CDT Apr 11, 2026-6pm CDT Apr 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation