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

83°F

28°C

Humidity 74%
Wind Speed SE 8 mph
Barometer 29.98 in (1014.5 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 21 Jun 8:56 pm CDT
Extended Forecast for

5 Miles SSW Wimberley TX

  • Tonight

    Tonight: Increasing clouds, with a low around 73. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 73 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 92. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 92 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 73. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 73 °F

    Increasing
    Clouds

  • Monday

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

    High: 93 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 71. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 71 °F

    Mostly Clear

  • Tuesday

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

    High: 93 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 71. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 91 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 71. South southeast wind 5 to 10 mph.

    Low: 71 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 73. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 92. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Increasing clouds, with a low around 73. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 93. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 71. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 93. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 71. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 71. South southeast wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 92.
Thursday Night
Partly cloudy, with a low around 71.
Friday
Mostly sunny, with a high near 92.
Friday Night
Partly cloudy, with a low around 71.
Saturday
Mostly sunny, with a high near 93.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Wimberley TX
 29.92°N 98.12°W (Elev. 1148 ft)
Last Update:
7:42 pm CDT Jun 21, 2025
Forecast Valid:
9pm CDT Jun 21, 2025-6pm CDT Jun 28, 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