Current conditions at
San Marcos, San Marcos Municipal Airport (KHYI)
Lat: 29.89°NLon: 97.86°WElev: 597ft.
Fair
72°F
22°C
| Humidity | 84% |
| Wind Speed | S 3 mph |
| Barometer | 29.87 in (1010.4 mb) |
| Dewpoint | 67°F (19°C) |
| Visibility | 10.00 mi |
| Last update | 10 May 12:56 am CDT |
Extended Forecast for
Martindale TX
Overnight

Low: 70 °F
Clear
Sunday

High: 91 °F
Becoming
SunnySunday Night

Low: 68 °F
Severe
ThunderstormsMonday

High: 82 °F
Decreasing
CloudsMonday Night

Low: 64 °F
Partly Cloudy
Tuesday

High: 84 °F
Mostly Sunny
Tuesday Night

Low: 64 °F
Mostly Clear
Wednesday

High: 88 °F
Sunny
Wednesday Night

Low: 66 °F
Mostly Clear
Detailed Forecast
Overnight
Clear, with a low around 70. Calm wind.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 91. Calm wind becoming southeast around 5 mph in the morning.
Sunday Night
Showers and thunderstorms before 4am, then a slight chance of showers. Some of the storms could be severe. Low around 68. Southeast wind around 5 mph becoming north after midnight. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 82. North wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 64. North northeast wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 84. Northeast wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 64. East wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 88. Calm wind becoming southeast around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 66. Southeast wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 90.
Thursday Night
Partly cloudy, with a low around 69.
Friday
Partly sunny, with a high near 90.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 73.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 91.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Martindale TX
29.84°N 97.83°W (Elev. 502 ft)
29.84°N 97.83°W (Elev. 502 ft)
1:28 am CDT May 10, 2026
1am CDT May 10, 2026-6pm CDT May 16, 2026


