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Hazardous Weather Conditions
Current conditions at
San Antonio, San Antonio International Airport (KSAT)
Lat: 29.53°NLon: 98.46°WElev: 807ft.
Fair
85°F
29°C
| Humidity | 61% |
| Wind Speed | SE 7 mph |
| Barometer | 29.92 in (1011.1 mb) |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 90°F (32°C) |
| Last update | 21 Jul 11:51 pm CDT |
Extended Forecast for
San Antonio TX
Heat Advisory July 22, 12:00pm until July 22, 08:00pm
Overnight

Low: 79 °F
Mostly Clear
Wednesday

High: 101 °F
Hot
Wednesday Night

Low: 85 °F
Mostly Clear
Thursday

High: 99 °F
Hot
Thursday Night

Low: 82 °F
Partly Cloudy
Friday

High: 96 °F
Mostly Sunny
Friday Night

Low: 79 °F
Mostly Clear
Saturday

High: 97 °F
Sunny
Saturday Night

Low: 76 °F
Mostly Clear
Detailed Forecast
Overnight
Mostly clear, with a low around 79. Calm wind.
Wednesday
Sunny and hot, with a high near 101. Heat index values as high as 109. Calm wind becoming east northeast around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 85. East wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny and hot, with a high near 99. Heat index values as high as 108. Northeast wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 82. East northeast wind 5 to 10 mph becoming light and variable after midnight.
Friday
Mostly sunny, with a high near 96. South southeast wind around 5 mph.
Friday Night
Mostly clear, with a low around 79. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 97. South wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 76. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 96.
Sunday Night
Mostly clear, with a low around 77.
Monday
Sunny, with a high near 97.
Monday Night
Mostly clear, with a low around 78.
Tuesday
Sunny, with a high near 98.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
San Antonio TX
29.46°N 98.5°W (Elev. 741 ft)
29.46°N 98.5°W (Elev. 741 ft)
11:48 pm CDT Jul 21, 2026
12am CDT Jul 22, 2026-6pm CDT Jul 28, 2026



