Tracking Weekend Storm Impacts
A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >
Current conditions at
San Marcos, San Marcos Municipal Airport (KHYI)
Lat: 29.89°NLon: 97.86°WElev: 597ft.
Fair
69°F
21°C
| Humidity | 70% |
| Wind Speed | W 8 mph |
| Barometer | 29.96 in (1014.0 mb) |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Last update | 7 Dec 9:56 am CST |
Extended Forecast for
San Marcos Municipal Airport TX
Today
High: 67 °F
Sunny
Tonight
Low: 39 °F
Clear
Monday
High: 63 °F
Sunny
Monday Night
Low: 35 °F
Clear
Tuesday
High: 68 °F
Sunny
Tuesday Night
Low: 46 °F
Mostly Clear
Wednesday
High: 77 °F
Sunny
Wednesday Night
Low: 49 °F
Mostly Clear
Thursday
High: 82 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 67. North wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Clear, with a low around 39. North wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 63. North wind 5 to 10 mph.
Monday Night
Clear, with a low around 35. East northeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 68. Light southwest wind becoming south southwest 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 46. South southwest wind around 10 mph.
Wednesday
Sunny, with a high near 77. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 49. West southwest wind 5 to 10 mph.
Thursday
Sunny, with a high near 82. Southwest wind around 10 mph.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 36.
Saturday
Sunny, with a high near 58.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
San Marcos Municipal Airport TX
29.9°N 97.86°W (Elev. 600 ft)
29.9°N 97.86°W (Elev. 600 ft)
8:50 am CST Dec 7, 2025
10am CST Dec 7, 2025-6pm CST Dec 13, 2025
Additional Resources
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