Current conditions at
San Antonio, San Antonio International Airport (KSAT)
Lat: 29.53°NLon: 98.46°WElev: 807ft.
A Few Clouds
84°F
29°C
| Humidity | 70% |
| Wind Speed | SE 15 G 24 mph |
| Barometer | 30.01 in (1014.1 mb) |
| Dewpoint | 73°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 90°F (32°C) |
| Last update | 14 Sep 10:51 pm CDT |
Extended Forecast for
Castle Hills TX
Tonight

Low: 76 °F
Partly Cloudy
Tuesday

High: 99 °F
Hot
Tuesday Night

Low: 77 °F
Mostly Clear
Wednesday

High: 97 °F
Mostly Sunny
Wednesday Night

Low: 77 °F
Partly Cloudy
Thursday
High: 95 °F
Mostly Sunny
then Slight
Chance
T-stormsThursday Night
Low: 75 °F
Mostly Cloudy
then Slight
Chance
ShowersFriday

High: 94 °F
Mostly Sunny
Friday Night

Low: 73 °F
Mostly Clear
Detailed Forecast
Tonight
Partly cloudy, with a low around 76. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny and hot, with a high near 99. Heat index values as high as 104. 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, with a high near 97. Heat index values as high as 104. Southeast wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 77. East southeast wind 5 to 10 mph becoming light east after midnight.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 95. East wind 5 to 10 mph.
Thursday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 75. East southeast wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 94. East southeast wind around 5 mph.
Friday Night
Mostly clear, with a low around 73. East southeast wind around 5 mph becoming calm after midnight.
Saturday
Sunny, with a high near 95.
Saturday Night
Mostly clear, with a low around 74.
Sunday
Mostly sunny, with a high near 96.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Castle Hills TX
29.53°N 98.51°W (Elev. 869 ft)
29.53°N 98.51°W (Elev. 869 ft)
11:32 pm CDT Sep 14, 2026
11pm CDT Sep 14, 2026-6pm CDT Sep 21, 2026


