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

71°F

22°C

Humidity 87%
Wind Speed E 3 mph
Barometer 29.80 in (1008.1 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 18 Apr 5:53 am CDT
Extended Forecast for

San Antonio, Stinson Municipal Airport TX

  • Today

    Today: A chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Cloudy, with a high near 77. Southeast wind 5 to 10 mph becoming north northeast 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely before 4am, then a slight chance of showers. Cloudy, with a low around 56. North northeast wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

    Low: 56 °F

    Showers
    Likely

  • Sunday

    Sunday: A 10 percent chance of showers before 7am. Mostly cloudy, with a high near 71. Northeast wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 71 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 57. East wind 5 to 10 mph becoming light east northeast.

    Low: 57 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Cloudy, with a high near 69. East northeast wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 69 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 59. East wind 5 to 10 mph.

    Low: 59 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 75. East wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 75 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 65. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 65 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 83. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 83 °F

    Mostly Cloudy

Detailed Forecast

Today
A chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Cloudy, with a high near 77. Southeast wind 5 to 10 mph becoming north northeast 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 4am, then a slight chance of showers. Cloudy, with a low around 56. North northeast wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Sunday
A 10 percent chance of showers before 7am. Mostly cloudy, with a high near 71. Northeast wind 10 to 15 mph, with gusts as high as 30 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 57. East wind 5 to 10 mph becoming light east northeast.
Monday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Cloudy, with a high near 69. East northeast wind 5 to 10 mph. Chance of precipitation is 60%.
Monday Night
A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 59. East wind 5 to 10 mph.
Tuesday
A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 75. East wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 65. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly cloudy, with a high near 83. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 68.
Thursday
Mostly cloudy, with a high near 87.
Thursday Night
Mostly cloudy, with a low around 69.
Friday
Mostly cloudy, with a high near 88.
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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:
5:44 am CDT Apr 18, 2026
Forecast Valid:
6am CDT Apr 18, 2026-6pm CDT Apr 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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