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Current conditions at
San Marcos, San Marcos Municipal Airport (KHYI)
Lat: 29.89°NLon: 97.86°WElev: 597ft.
Fair
72°F
22°C
| Humidity | 30% |
| Wind Speed | NE 13 G 16 mph |
| Barometer | 30.23 in (1023.3 mb) |
| Dewpoint | 39°F (4°C) |
| Visibility | 10.00 mi |
| Last update | 6 Apr 2:56 pm CDT |
Extended Forecast for
2 Miles SW San Marcos Municipal Airport TX
This Afternoon
High: 74 °F
Sunny
Tonight
Low: 46 °F
Partly Cloudy
Tuesday
High: 76 °F
Mostly Sunny
Tuesday Night
Low: 52 °F
Partly Cloudy
Wednesday
High: 78 °F
Partly Sunny
Wednesday Night
Low: 61 °F
Mostly Cloudy
Thursday
High: 83 °F
Mostly Cloudy
then Chance
ShowersThursday Night
Low: 63 °F
Slight Chance
T-stormsFriday
High: 80 °F
Chance
T-storms
Detailed Forecast
This Afternoon
Sunny, with a high near 74. Northeast wind around 10 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 46. East northeast wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 76. Calm wind becoming east southeast around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 52. East wind around 5 mph becoming calm after midnight.
Wednesday
Partly sunny, with a high near 78. Calm wind becoming southeast around 5 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 61. Southeast wind around 5 mph becoming calm after midnight.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 83. Light east southeast wind becoming southeast 5 to 10 mph in the morning.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Southeast wind 5 to 10 mph.
Friday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 65.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles SW San Marcos Municipal Airport TX
29.88°N 97.89°W (Elev. 597 ft)
29.88°N 97.89°W (Elev. 597 ft)
2:46 pm CDT Apr 6, 2026
3pm CDT Apr 6, 2026-6pm CDT Apr 12, 2026
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