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.

A Few Clouds

81°F

27°C

Humidity 82%
Wind Speed NE 8 mph
Barometer 29.94 in (1012.8 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 11 Jul 6:53 pm CDT
Extended Forecast for

San Antonio, Stinson Municipal Airport TX

  • Tonight

    Tonight: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 76. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 76 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. Heat index values as high as 101. East southeast wind 5 to 10 mph.

    High: 91 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 76. Southeast wind 5 to 10 mph.

    Low: 76 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. Heat index values as high as 100. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 91 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 76. East southeast wind 5 to 10 mph.

    Low: 76 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 88. East southeast wind 5 to 10 mph.

    High: 88 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 74. East wind 5 to 10 mph.

    Low: 74 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85. East southeast wind 5 to 10 mph.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 73. East wind 5 to 10 mph.

    Low: 73 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 76. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. Heat index values as high as 101. East southeast wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 76. Southeast wind 5 to 10 mph.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. Heat index values as high as 100. Calm wind becoming southeast around 5 mph in the afternoon.
Monday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 76. East southeast wind 5 to 10 mph.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 88. East southeast wind 5 to 10 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 74. East wind 5 to 10 mph.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85. East southeast wind 5 to 10 mph.
Wednesday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 73. East wind 5 to 10 mph.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 89. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 75.
Friday
Partly sunny, with a high near 91.
Friday Night
Partly cloudy, with a low around 75.
Saturday
Mostly sunny, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio, Stinson Municipal Airport TX
 29.32°N 98.47°W (Elev. 581 ft)
Last Update:
6:46 pm CDT Jul 11, 2026
Forecast Valid:
7pm CDT Jul 11, 2026-6pm CDT Jul 18, 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