Current conditions at
San Marcos, San Marcos Municipal Airport (KHYI)
Lat: 29.89°NLon: 97.86°WElev: 597ft.
Fair
79°F
26°C
| Humidity | 77% |
| Wind Speed | S 15 mph |
| Barometer | 29.74 in (1006.3 mb) |
| Dewpoint | 71°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 82°F (28°C) |
| Last update | 25 Apr 9:56 pm CDT |
Extended Forecast for
5 Miles SSE Wimberley TX
Tonight
Low: 69 °F
Patchy Fog
Sunday
High: 90 °F
Decreasing
CloudsSunday Night
Low: 70 °F
Mostly Cloudy
Monday
High: 93 °F
Partly Sunny
Monday Night
Low: 71 °F
Mostly Cloudy
Tuesday
High: 95 °F
Partly Sunny
Tuesday Night
Low: 69 °F
Slight Chance
T-stormsWednesday
High: 92 °F
Partly Sunny
Wednesday Night
Low: 66 °F
Slight Chance
T-storms
Detailed Forecast
Tonight
Patchy fog after 5am. Otherwise, increasing clouds, with a low around 69. South southwest wind around 5 mph.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 90. South wind 5 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 70. South southeast wind around 10 mph.
Monday
Partly sunny, with a high near 93. Heat index values as high as 100. South wind around 10 mph.
Monday Night
Mostly cloudy, with a low around 71. South southeast wind 5 to 10 mph.
Tuesday
Partly sunny, with a high near 95. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 69. South wind 5 to 10 mph.
Wednesday
Partly sunny, with a high near 92. South southwest wind around 5 mph becoming east in the afternoon.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Northeast wind around 10 mph, with gusts as high as 20 mph.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 84.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Friday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 71.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
5 Miles SSE Wimberley TX
29.92°N 98.07°W (Elev. 1047 ft)
29.92°N 98.07°W (Elev. 1047 ft)
6:46 pm CDT Apr 25, 2026
11pm CDT Apr 25, 2026-6pm CDT May 2, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
