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.

Fair

85°F

29°C

Humidity 65%
Wind Speed SE 10 mph
Barometer 29.87 in (1010.2 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 19 May 7:53 pm CDT
Extended Forecast for

2 Miles SSE San Antonio TX

  • Tonight

    Tonight: Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers after 4am. Low around 72. East southeast wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 72 °F

    T-storms

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 7am. Partly sunny, with a high near 85. East wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 72. East wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 72 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 83. South southeast wind around 5 mph. Chance of precipitation is 80%.

    High: 83 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71. Southeast wind around 5 mph. Chance of precipitation is 60%.

    Low: 71 °F

    Showers
    Likely

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. South wind around 5 mph.

    High: 86 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72. Southeast wind around 5 mph. Chance of precipitation is 60%.

    Low: 72 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 83. Southeast wind around 5 mph. Chance of precipitation is 80%.

    High: 83 °F

    Showers
    Likely then
    T-storms

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 70. East wind 5 to 10 mph. Chance of precipitation is 80%.

    Low: 70 °F

    Showers

Detailed Forecast

Tonight
Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers after 4am. Low around 72. East southeast wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
A chance of showers, with thunderstorms also possible after 7am. Partly sunny, with a high near 85. East wind 5 to 10 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 72. East wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers and possibly a thunderstorm. High near 83. South southeast wind around 5 mph. Chance of precipitation is 80%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71. Southeast wind around 5 mph. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. South wind around 5 mph.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72. Southeast wind around 5 mph. Chance of precipitation is 60%.
Saturday
Showers and possibly a thunderstorm. High near 83. Southeast wind around 5 mph. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm. Low around 70. East wind 5 to 10 mph. Chance of precipitation is 80%.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 83. Chance of precipitation is 60%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Memorial Day
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE San Antonio TX
 29.44°N 98.48°W (Elev. 663 ft)
Last Update:
7:42 pm CDT May 19, 2026
Forecast Valid:
8pm CDT May 19, 2026-6pm CDT May 26, 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