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Current conditions at
San Marcos, San Marcos Municipal Airport (KHYI)
Lat: 29.89°NLon: 97.86°WElev: 597ft.
Fair
82°F
28°C
| Humidity | 85% |
| Wind Speed | S 5 mph |
| Barometer | 30.15 in (1020.3 mb) |
| Dewpoint | 77°F (25°C) |
| Visibility | 10.00 mi |
| Heat Index | 90°F (32°C) |
| Last update | 2 Aug 9:56 am CDT |
Extended Forecast for
5 Miles WSW Martindale TX
Today
High: 97 °F
Mostly Sunny
then Chance
T-stormsTonight
Low: 75 °F
Slight Chance
T-storms then
Partly CloudySunday
High: 98 °F
Sunny
Sunday Night
Low: 76 °F
Mostly Clear
Monday
High: 95 °F
Mostly Sunny
then Chance
T-stormsMonday Night
Low: 75 °F
Chance
T-storms then
Slight Chance
ShowersTuesday
High: 95 °F
Sunny
Tuesday Night
Low: 74 °F
Mostly Clear
Wednesday
High: 96 °F
Sunny
Detailed Forecast
Today
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 97. Heat index values as high as 105. Southwest wind around 5 mph becoming calm in the afternoon.
Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 75. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 98. Heat index values as high as 106. Calm wind becoming east around 5 mph.
Sunday Night
Mostly clear, with a low around 76. East wind around 5 mph becoming south after midnight.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. South southeast wind around 5 mph.
Monday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 75. Southeast wind 5 to 10 mph. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 95. South wind around 5 mph becoming east southeast in the afternoon.
Tuesday Night
Mostly clear, with a low around 74. East southeast wind 5 to 10 mph becoming south after midnight.
Wednesday
Sunny, with a high near 96. South wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
Sunny, with a high near 96.
Thursday Night
Mostly clear, with a low around 75.
Friday
Sunny, with a high near 97.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
5 Miles WSW Martindale TX
29.81°N 97.91°W (Elev. 581 ft)
29.81°N 97.91°W (Elev. 581 ft)
7:42 am CDT Aug 2, 2025
10am CDT Aug 2, 2025-6pm CDT Aug 8, 2025
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