Hazardous Weather Conditions
Current conditions at
San Antonio, Stinson Municipal Airport (KSSF)
Lat: 29.34°NLon: 98.47°WElev: 574ft.
Overcast
82°F
28°C
| Humidity | 79% |
| Wind Speed | SE 5 mph |
| Barometer | 29.91 in (1011.5 mb) |
| Dewpoint | 75°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 89°F (32°C) |
| Last update | 12 Sep 8:53 am CDT |
Extended Forecast for
3 Miles SSE San Antonio TX
Heat Advisory September 12, 12:00pm until September 12, 07:00pm
Today
High: 102 °F
Mostly Sunny
then Slight
Chance
T-stormsTonight
Low: 79 °F
Slight Chance
T-storms then
Partly CloudySunday

High: 101 °F
Hot
Sunday Night

Low: 78 °F
Partly Cloudy
Monday

High: 100 °F
Hot
Monday Night

Low: 78 °F
Mostly Clear
Tuesday

High: 100 °F
Hot
Tuesday Night

Low: 77 °F
Mostly Clear
Wednesday

High: 99 °F
Hot
Detailed Forecast
Today
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 102. Heat index values as high as 109. South wind 5 to 10 mph.
Tonight
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Partly cloudy, with a low around 79. South southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny and hot, with a high near 101. Heat index values as high as 107. South southeast wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 78. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Monday
Mostly sunny and hot, with a high near 100. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 78. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny and hot, with a high near 100. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 77. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny and hot, with a high near 99. Southeast wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 78.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 97.
Thursday Night
Partly cloudy, with a low around 77.
Friday
Mostly sunny, with a high near 96.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles SSE San Antonio TX
29.41°N 98.48°W (Elev. 646 ft)
29.41°N 98.48°W (Elev. 646 ft)
9:44 am CDT Sep 12, 2026
9am CDT Sep 12, 2026-6pm CDT Sep 18, 2026



