National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Partly Cloudy

72°F

22°C

Humidity 79%
Wind Speed S 20 G 30 mph
Barometer 29.83 in (1009.3 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 1 Apr 11:56 pm CDT
Extended Forecast for

Wimberley TX

  • Overnight

    Overnight: A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 67. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 67 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 81. South southeast wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 81 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 67. South southeast wind 5 to 10 mph, with gusts as high as 25 mph.

    Low: 67 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy, with a high near 86. South southeast wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 86 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South southeast wind 5 to 15 mph, with gusts as high as 30 mph.

    Low: 67 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 77. South wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%.

    High: 77 °F

    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 52. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 52 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers, mainly before 1pm. Cloudy, with a high near 66. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 66 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Cloudy, with a low around 50. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 67. South wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 81. South southeast wind 5 to 10 mph, with gusts as high as 25 mph.
Thursday Night
Increasing clouds, with a low around 67. South southeast wind 5 to 10 mph, with gusts as high as 25 mph.
Friday
Mostly cloudy, with a high near 86. South southeast wind 5 to 15 mph, with gusts as high as 30 mph.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South southeast wind 5 to 15 mph, with gusts as high as 30 mph.
Saturday
Showers and possibly a thunderstorm. High near 77. South wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%.
Saturday Night
A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 52. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
A 30 percent chance of showers, mainly before 1pm. Cloudy, with a high near 66. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Cloudy, with a low around 50. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Partly sunny, with a high near 70.
Monday Night
Mostly cloudy, with a low around 49.
Tuesday
Mostly cloudy, with a high near 71.
Tuesday Night
Mostly cloudy, with a low around 50.
Wednesday
Mostly cloudy, with a high near 76.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wimberley TX
 29.99°N 98.1°W (Elev. 817 ft)
Last Update:
12:42 am CDT Apr 2, 2026
Forecast Valid:
12am CDT Apr 2, 2026-6pm CDT Apr 8, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation