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Current conditions at
San Marcos, San Marcos Municipal Airport (KHYI)
Lat: 29.89°NLon: 97.86°WElev: 597ft.
Fair
74°F
23°C
| Humidity | 28% |
| Wind Speed | Vrbl 3 mph |
| Barometer | 30.27 in (1024.7 mb) |
| Dewpoint | 39°F (4°C) |
| Visibility | 10.00 mi |
| Last update | 18 Oct 3:56 pm CDT |
Extended Forecast for
3 Miles W San Marcos TX
Tonight
Low: 52 °F
Partly Cloudy
Monday
High: 78 °F
Partly Sunny
Monday Night
Low: 57 °F
Partly Cloudy
Tuesday
High: 83 °F
Sunny
Tuesday Night
Low: 57 °F
Mostly Clear
Wednesday
High: 84 °F
Sunny
Wednesday Night
Low: 58 °F
Clear
Thursday
High: 85 °F
Sunny
Thursday Night
Low: 58 °F
Mostly Clear
Detailed Forecast
Tonight
Partly cloudy, with a low around 52. Calm wind.
Monday
Partly sunny, with a high near 78. Calm wind becoming east northeast around 5 mph.
Monday Night
Partly cloudy, with a low around 57. Calm wind.
Tuesday
Sunny, with a high near 83. Calm wind becoming east northeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 57. East northeast wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 84. Calm wind becoming east northeast around 5 mph in the afternoon.
Wednesday Night
Clear, with a low around 58. East wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 85. Calm wind becoming southeast around 5 mph.
Thursday Night
Mostly clear, with a low around 58. East southeast wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 60.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
Partly sunny, with a high near 85.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles W San Marcos TX
29.88°N 97.99°W (Elev. 725 ft)
29.88°N 97.99°W (Elev. 725 ft)
2:44 pm CDT Oct 18, 2026
4pm CDT Oct 18, 2026-6pm CDT Oct 25, 2026
Additional Resources
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