
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
56°F
13°C
| Humidity | 70% |
| Wind Speed | S 3 mph |
| Barometer | 30.00 in (1015.8 mb) |
| Dewpoint | 46°F (8°C) |
| Visibility | 10.00 mi |
| Last update | 6 Dec 9:56 am CST |
Extended Forecast for
2 Miles W San Marcos Municipal Airport TX
Today

High: 74 °F
Sunny
Tonight

Low: 52 °F
Mostly Clear
Sunday

High: 73 °F
Sunny
Sunday Night

Low: 38 °F
Clear
Monday

High: 61 °F
Sunny
Monday Night

Low: 35 °F
Clear
Tuesday

High: 68 °F
Sunny
Tuesday Night

Low: 47 °F
Mostly Clear
Wednesday

High: 76 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 74. Southwest wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 52. South wind around 5 mph becoming west after midnight.
Sunday
Sunny, with a high near 73. West wind 5 to 10 mph becoming north 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Clear, with a low around 38. North wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 61. North wind 5 to 10 mph becoming east northeast in the afternoon.
Monday Night
Clear, with a low around 35. East wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 68. Light south southwest wind increasing to 5 to 10 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 47. South southwest wind 5 to 10 mph.
Wednesday
Sunny, with a high near 76. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 50.
Friday
Mostly sunny, with a high near 69.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT 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)
5:42 am CST Dec 6, 2025
10am CST Dec 6, 2025-6pm CST Dec 12, 2025


