Current conditions at
San Antonio, San Antonio International Airport (KSAT)
Lat: 29.53°NLon: 98.46°WElev: 807ft.
Overcast
78°F
26°C
| Humidity | 85% |
| Wind Speed | S 8 mph |
| Barometer | 29.97 in (1013.0 mb) |
| Dewpoint | 73°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 20 Sep 2:51 am CDT |
Extended Forecast for
San Antonio International Airport TX
Overnight
Low: 75 °F
Mostly Cloudy
Sunday
High: 97 °F
Mostly Sunny
Sunday Night
Low: 76 °F
Partly Cloudy
Monday
High: 98 °F
Mostly Sunny
Monday Night
Low: 76 °F
Partly Cloudy
Tuesday
High: 98 °F
Sunny
Tuesday Night
Low: 76 °F
Slight Chance
T-storms then
Slight Chance
ShowersWednesday
High: 97 °F
Mostly Sunny
Wednesday Night
Low: 76 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly cloudy, with a low around 75. South southeast wind around 5 mph.
Sunday
Mostly sunny, with a high near 97. Heat index values as high as 104. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 76. South southeast wind around 5 mph.
Monday
Mostly sunny, with a high near 98. Heat index values as high as 106. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 76. East southeast wind around 5 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 98. Light east northeast wind becoming east 5 to 10 mph in the afternoon.
Tuesday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 76. East southeast wind 5 to 10 mph becoming light southeast after midnight. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 97. North northeast wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 76. East wind 5 to 10 mph becoming light southeast after midnight.
Thursday
Mostly sunny, with a high near 97.
Thursday Night
Partly cloudy, with a low around 73.
Friday
Mostly sunny, with a high near 96.
Friday Night
Partly cloudy, with a low around 73.
Saturday
Mostly sunny, with a high near 95.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
San Antonio International Airport TX
29.53°N 98.45°W (Elev. 771 ft)
29.53°N 98.45°W (Elev. 771 ft)
2:46 am CDT Sep 20, 2026
3am CDT Sep 20, 2026-6pm CDT Sep 26, 2026
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