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.

Fair

87°F

31°C

Humidity 59%
Wind Speed S 15 mph
Barometer 29.93 in (1012.6 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 16 Jun 7:56 pm CDT
Extended Forecast for

Wimberley TX

  • Tonight

    Tonight: Mostly clear, with a low around 73. South wind around 5 mph.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95. Heat index values as high as 104. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 94. Heat index values as high as 102. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 94 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 74. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 74 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 93. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 93 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 73. South southeast wind 5 to 10 mph becoming light south after midnight.

    Low: 73 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Light south wind becoming south southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 91 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 72. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 72 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 73. South wind around 5 mph.
Tuesday
Sunny, with a high near 95. Heat index values as high as 104. South wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 74. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 94. Heat index values as high as 102. South wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 74. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Juneteenth
Mostly sunny, with a high near 93. South wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 73. South southeast wind 5 to 10 mph becoming light south after midnight.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Light south wind becoming south southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
Partly cloudy, with a low around 72. South wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91.
Saturday Night
Partly cloudy, with a low around 72.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 72.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 91.
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:
7:42 pm CDT Jun 16, 2025
Forecast Valid:
8pm CDT Jun 16, 2025-6pm CDT Jun 23, 2025
 
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