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.

Partly Cloudy

77°F

25°C

Humidity 69%
Wind Speed SE 17 G 24 mph
Barometer 29.88 in (1010.7 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 3 Apr 8:53 pm CDT
Extended Forecast for

San Antonio, Stinson Municipal Airport TX

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 71. Southeast wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 71 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, then showers and possibly a thunderstorm after 10am. High near 81. Southeast wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 81 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms after 7pm. Low around 56. North northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Showers then
    Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers. Mostly cloudy, with a high near 64. North northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 64 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers. Cloudy, with a low around 54. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 67. North northeast wind around 10 mph.

    High: 67 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 52. East northeast wind around 5 mph.

    Low: 52 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 66. East northeast wind around 5 mph.

    High: 66 °F

    Cloudy then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 53. East northeast wind around 5 mph.

    Low: 53 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 71. Southeast wind 10 to 20 mph, with gusts as high as 30 mph.
Saturday
A chance of showers, then showers and possibly a thunderstorm after 10am. High near 81. Southeast wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
Showers and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms after 7pm. Low around 56. North northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 64. North northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
A 30 percent chance of showers. Cloudy, with a low around 54. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 67. North northeast wind around 10 mph.
Monday Night
Mostly cloudy, with a low around 52. East northeast wind around 5 mph.
Tuesday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 66. East northeast wind around 5 mph.
Tuesday Night
Mostly cloudy, with a low around 53. East northeast wind around 5 mph.
Wednesday
Partly sunny, with a high near 78.
Wednesday Night
Mostly cloudy, with a low around 60.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81.
Thursday Night
Mostly cloudy, with a low around 65.
Friday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio, Stinson Municipal Airport TX
 29.35°N 98.45°W (Elev. 597 ft)
Last Update:
6:46 pm CDT Apr 3, 2026
Forecast Valid:
9pm CDT Apr 3, 2026-6pm CDT Apr 10, 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