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

79°F

26°C

Humidity 77%
Wind Speed SE 14 G 23 mph
Barometer 29.97 in (1013.8 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 12 Apr 3:53 pm CDT
Extended Forecast for

San Antonio, Stinson Municipal Airport TX

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely. Some of the storms could be severe. Mostly cloudy, with a high near 81. South southeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 1am. Some of the storms could be severe. Mostly cloudy, with a low around 70. South southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Severe
    Thunderstorms

  • Monday

    Monday: A slight chance of showers and thunderstorms between 1pm and 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 87. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 87 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Increasing clouds, with a low around 70. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 70 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 87. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 87 °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

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 85. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 85 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 69. Southeast wind 5 to 10 mph.

    Low: 69 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Partly sunny, with a high near 90. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 90 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Showers and thunderstorms likely. Some of the storms could be severe. Mostly cloudy, with a high near 81. South southeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 1am. Some of the storms could be severe. Mostly cloudy, with a low around 70. South southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A slight chance of showers and thunderstorms between 1pm and 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 87. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday Night
Increasing clouds, with a low around 70. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 87. 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 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 85. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 69. Southeast wind 5 to 10 mph.
Thursday
Partly sunny, with a high near 90. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 70.
Friday
Mostly cloudy, with a high near 90.
Friday Night
Mostly cloudy, with a low around 71.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 86.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Sunday
A chance of showers. Mostly cloudy, with a high near 76.
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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:
1:54 pm CDT Apr 12, 2026
Forecast Valid:
4pm CDT Apr 12, 2026-6pm CDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation