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Current conditions at
San Marcos, San Marcos Municipal Airport (KHYI)
Lat: 29.89°NLon: 97.86°WElev: 597ft.
Mostly Cloudy
77°F
25°C
| Humidity | 96% |
| Wind Speed | S 6 mph |
| Barometer | 30.07 in (1017.6 mb) |
| Dewpoint | 76°F (24°C) |
| Visibility | 9.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 10 Aug 7:56 am CDT |
Extended Forecast for
Wimberley TX
Today
High: 96 °F
Partly Sunny
then Slight
Chance
T-stormsTonight

Low: 75 °F
Partly Cloudy
Tuesday

High: 97 °F
Mostly Sunny
Tuesday Night

Low: 75 °F
Increasing
CloudsWednesday

High: 98 °F
Sunny
Wednesday Night

Low: 75 °F
Mostly Clear
Thursday

High: 99 °F
Hot
Thursday Night

Low: 75 °F
Mostly Clear
Friday

High: 97 °F
Mostly Sunny
Detailed Forecast
Today
A 20 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 96. Heat index values as high as 107. Light south wind becoming south southeast 5 to 10 mph in the morning.
Tonight
Partly cloudy, with a low around 75. South southeast wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 97. Heat index values as high as 106. South wind 5 to 10 mph.
Tuesday Night
Increasing clouds, with a low around 75. South southeast wind 5 to 10 mph.
Wednesday
Sunny, with a high near 98. South wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 75. South southeast wind around 10 mph.
Thursday
Mostly sunny and hot, with a high near 99. South wind around 10 mph.
Thursday Night
Mostly clear, with a low around 75. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 97. South wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 75.
Saturday
Mostly sunny, with a high near 96.
Saturday Night
Mostly clear, with a low around 72.
Sunday
Mostly sunny, with a high near 97.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Wimberley TX
29.99°N 98.1°W (Elev. 817 ft)
29.99°N 98.1°W (Elev. 817 ft)
6:42 am CDT Aug 10, 2026
8am CDT Aug 10, 2026-6pm CDT Aug 16, 2026


