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Current conditions at
San Marcos, San Marcos Municipal Airport (KHYI)
Lat: 29.89°NLon: 97.86°WElev: 597ft.
Fair
67°F
19°C
| Humidity | 68% |
| Wind Speed | N 5 mph |
| Barometer | 30.03 in (1016.1 mb) |
| Dewpoint | 56°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 6 Oct 2:56 am CDT |
Extended Forecast for
5 Miles WNW San Marcos TX
Overnight
Low: 65 °F
Mostly Clear
Tuesday
High: 87 °F
Sunny
Tuesday Night
Low: 64 °F
Clear
Wednesday
High: 87 °F
Sunny
Wednesday Night
Low: 66 °F
Mostly Clear
Thursday
High: 85 °F
Sunny
Thursday Night
Low: 66 °F
Partly Cloudy
Friday
High: 86 °F
Sunny
Friday Night
Low: 65 °F
Mostly Clear
Detailed Forecast
Overnight
Mostly clear, with a low around 65. North wind around 5 mph.
Tuesday
Sunny, with a high near 87. North northeast wind 5 to 10 mph.
Tuesday Night
Clear, with a low around 64. North northeast wind around 5 mph.
Wednesday
Sunny, with a high near 87. Northeast wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 66. North wind around 5 mph.
Thursday
Sunny, with a high near 85. East northeast wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 66. Northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 86. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 65. Northeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 68.
Columbus Day
Partly sunny, with a high near 87.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
5 Miles WNW San Marcos TX
29.9°N 97.99°W (Elev. 850 ft)
29.9°N 97.99°W (Elev. 850 ft)
2:46 am CDT Oct 6, 2026
3am CDT Oct 6, 2026-6pm CDT Oct 12, 2026
Additional Resources
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