Current conditions at
San Marcos, San Marcos Municipal Airport (KHYI)
Lat: 29.89°NLon: 97.86°WElev: 597ft.
Fair
65°F
18°C
| Humidity | 12% |
| Wind Speed | S 16 mph |
| Barometer | 30.20 in (1022.7 mb) |
| Dewpoint | 11°F (-12°C) |
| Visibility | 10.00 mi |
| Last update | 17 Mar 4:56 pm CDT |
Extended Forecast for
2 Miles W San Marcos Municipal Airport TX
Tonight
Low: 42 °F
Mostly Clear
Wednesday
High: 78 °F
Sunny
Wednesday Night
Low: 50 °F
Mostly Clear
Thursday
High: 84 °F
Sunny
Thursday Night
Low: 55 °F
Clear
Friday
High: 93 °F
Sunny
Friday Night
Low: 58 °F
Clear
Saturday
High: 95 °F
Sunny
Saturday Night
Low: 60 °F
Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 42. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 78. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 50. South wind around 5 mph.
Thursday
Sunny, with a high near 84. Southwest wind 5 to 10 mph.
Thursday Night
Clear, with a low around 55. South wind around 5 mph.
Friday
Sunny, with a high near 93. West southwest wind around 5 mph.
Friday Night
Clear, with a low around 58. South wind around 5 mph.
Saturday
Sunny, with a high near 95. South wind 5 to 10 mph.
Saturday Night
Clear, with a low around 60. South wind 5 to 10 mph.
Sunday
Sunny, with a high near 93.
Sunday Night
Mostly clear, with a low around 60.
Monday
Sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Mostly sunny, with a high near 85.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles W San Marcos Municipal Airport TX
29.9°N 97.91°W (Elev. 640 ft)
29.9°N 97.91°W (Elev. 640 ft)
2:48 pm CDT Mar 17, 2026
5pm CDT Mar 17, 2026-6pm CDT Mar 24, 2026
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