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Current conditions at
San Marcos, San Marcos Municipal Airport (KHYI)
Lat: 29.89°NLon: 97.86°WElev: 597ft.
Fair
86°F
30°C
| Humidity | 67% |
| Wind Speed | SW 9 mph |
| Barometer | 30.13 in (1019.4 mb) |
| Dewpoint | 74°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 94°F (34°C) |
| Last update | 25 Jul 10:56 am CDT |
Extended Forecast for
Martindale TX
Today
High: 96 °F
Mostly Sunny
Tonight
Low: 74 °F
Partly Cloudy
Sunday
High: 97 °F
Mostly Sunny
Sunday Night
Low: 75 °F
Clear
Monday
High: 99 °F
Hot
Monday Night
Low: 75 °F
Mostly Clear
Tuesday
High: 99 °F
Hot
Tuesday Night
Low: 75 °F
Mostly Clear
Wednesday
High: 99 °F
Hot
Detailed Forecast
Today
Mostly sunny, with a high near 96. Heat index values as high as 101. South wind around 10 mph.
Tonight
Partly cloudy, with a low around 74. South southeast wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 97. Heat index values as high as 104. South southwest wind around 5 mph.
Sunday Night
Clear, with a low around 75. South southeast wind 5 to 10 mph.
Monday
Sunny and hot, with a high near 99. South wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 75. South wind 5 to 10 mph.
Tuesday
Sunny and hot, with a high near 99. South wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 75. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny and hot, with a high near 99. South southwest wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
Mostly sunny and hot, with a high near 100.
Thursday Night
Mostly clear, with a low around 77.
Friday
Mostly sunny and hot, with a high near 100.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Martindale TX
29.84°N 97.83°W (Elev. 502 ft)
29.84°N 97.83°W (Elev. 502 ft)
6:42 am CDT Jul 25, 2026
11am CDT Jul 25, 2026-6pm CDT Jul 31, 2026
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