Current conditions at
San Marcos, San Marcos Municipal Airport (KHYI)
Lat: 29.89°NLon: 97.86°WElev: 597ft.
Partly Cloudy
96°F
36°C
| Humidity | 37% |
| Wind Speed | SE 5 mph |
| Barometer | 29.86 in (1010.1 mb) |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Heat Index | 99°F (37°C) |
| Last update | 20 Sep 3:56 pm CDT |
Extended Forecast for
3 Miles WSW Kyle TX
Tonight
Low: 75 °F
Mostly Cloudy
Monday
High: 98 °F
Becoming
SunnyMonday Night
Low: 74 °F
Partly Cloudy
Tuesday
High: 98 °F
Mostly Sunny
Tuesday Night
Low: 75 °F
Slight Chance
T-storms then
Slight Chance
ShowersWednesday
High: 97 °F
Mostly Sunny
Wednesday Night
Low: 75 °F
Partly Cloudy
Thursday
High: 97 °F
Mostly Sunny
Thursday Night
Low: 73 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, with a low around 75. South southeast wind around 5 mph.
Monday
Partly sunny, then gradually becoming sunny, with a high near 98. Heat index values as high as 105. Calm wind becoming south southeast around 5 mph.
Monday Night
Partly cloudy, with a low around 74. East northeast wind around 5 mph becoming calm.
Tuesday
Mostly sunny, with a high near 98. Heat index values as high as 104. Calm wind becoming east around 5 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 75. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 97. Calm wind becoming east around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 75. East wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 97. Calm wind becoming east around 5 mph in the morning.
Thursday Night
Partly cloudy, with a low around 73. East southeast wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 95.
Friday Night
Partly cloudy, with a low around 72.
Saturday
Mostly sunny, with a high near 96.
Saturday Night
Partly cloudy, with a low around 72.
Sunday
Mostly sunny, with a high near 97.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles WSW Kyle TX
29.97°N 97.92°W (Elev. 650 ft)
29.97°N 97.92°W (Elev. 650 ft)
3:14 pm CDT Sep 20, 2026
4pm CDT Sep 20, 2026-6pm CDT Sep 27, 2026
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