Current conditions at
San Marcos, San Marcos Municipal Airport (KHYI)
Lat: 29.89°NLon: 97.86°WElev: 597ft.
Fair
78°F
26°C
| Humidity | 97% |
| Wind Speed | SE 9 mph |
| Barometer | 30.00 in (1015.1 mb) |
| Dewpoint | 77°F (25°C) |
| Visibility | 10.00 mi |
| Heat Index | 81°F (27°C) |
| Last update | 6 Jun 12:56 am CDT |
Extended Forecast for
3 Miles NNW San Marcos Municipal Airport TX
Overnight
Low: 74 °F
Mostly Cloudy
Friday
High: 95 °F
Decreasing
CloudsFriday Night
Low: 75 °F
Increasing
CloudsSaturday
High: 97 °F
Decreasing
CloudsSaturday Night
Low: 74 °F
Mostly Clear
Sunday
High: 98 °F
Mostly Sunny
Sunday Night
Low: 75 °F
Partly Cloudy
Monday
High: 98 °F
Mostly Sunny
Monday Night
Low: 73 °F
Chance
T-storms
Detailed Forecast
Overnight
Mostly cloudy, with a low around 74. South wind 5 to 10 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 95. Heat index values as high as 100. South wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Increasing clouds, with a low around 75. South southeast wind around 10 mph, with gusts as high as 20 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 97. Heat index values as high as 105. South wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 74. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 98. South wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 75. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 98. South wind around 10 mph.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. South southeast wind 5 to 10 mph.
Tuesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 90. Chance of precipitation is 60%.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 87.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 89.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles NNW San Marcos Municipal Airport TX
29.95°N 97.89°W (Elev. 646 ft)
29.95°N 97.89°W (Elev. 646 ft)
1:18 am CDT Jun 6, 2025
1am CDT Jun 6, 2025-6pm CDT Jun 12, 2025
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