Current conditions at
San Marcos, San Marcos Municipal Airport (KHYI)
Lat: 29.89°NLon: 97.86°WElev: 597ft.
Overcast
56°F
13°C
| Humidity | 97% |
| Wind Speed | NW 8 mph |
| Barometer | 30.28 in (1024.9 mb) |
| Dewpoint | 55°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 20 Apr 1:56 pm CDT |
Extended Forecast for
Martindale TX
This Afternoon

High: 62 °F
Showers
Tonight

Low: 58 °F
Showers
Tuesday

High: 69 °F
Showers
Tuesday Night

Low: 63 °F
Chance
T-stormsWednesday

High: 80 °F
Showers
LikelyWednesday Night

Low: 66 °F
Mostly Cloudy
Thursday

High: 85 °F
Mostly Cloudy
Thursday Night

Low: 68 °F
Mostly Cloudy
Friday
High: 88 °F
Cloudy then
Slight Chance
T-storms
Detailed Forecast
This Afternoon
Showers and possibly a thunderstorm. High near 62. Northeast wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Low around 58. East wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 69. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Cloudy, with a low around 63. East southeast wind 5 to 10 mph.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 80. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Wednesday Night
Mostly cloudy, with a low around 66. Southeast wind 5 to 10 mph.
Thursday
Mostly cloudy, with a high near 85. South wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 68. South southeast wind around 10 mph, with gusts as high as 20 mph.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 88. South southwest wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 69.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 89.
Saturday Night
Mostly cloudy, with a low around 68.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 89.
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)
1:24 pm CDT Apr 20, 2026
2pm CDT Apr 20, 2026-6pm CDT Apr 26, 2026


