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

76°F

24°C

Humidity 45%
Wind Speed S 13 G 16 mph
Barometer 30.04 in (1016.7 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 16 Feb 1:56 pm CST
Extended Forecast for

Wimberley TX

  • Washington's Birthday

    Washington's Birthday: Sunny, with a high near 77. South wind around 5 mph.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 53. South southeast wind around 5 mph.

    Low: 53 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Patchy fog between 7am and 9am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 81. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 57. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 82. Calm wind becoming south around 5 mph in the afternoon.

    High: 82 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 59. South wind around 5 mph.

    Low: 59 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 84. South southwest wind around 5 mph becoming north northeast in the afternoon.

    High: 84 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. Calm wind becoming east around 5 mph after midnight.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 79. East wind around 5 mph becoming north in the afternoon.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Washington's Birthday
Sunny, with a high near 77. South wind around 5 mph.
Tonight
Increasing clouds, with a low around 53. South southeast wind around 5 mph.
Tuesday
Patchy fog between 7am and 9am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 81. South wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Increasing clouds, with a low around 57. South wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 82. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 59. South wind around 5 mph.
Thursday
Partly sunny, with a high near 84. South southwest wind around 5 mph becoming north northeast in the afternoon.
Thursday Night
Partly cloudy, with a low around 57. Calm wind becoming east around 5 mph after midnight.
Friday
Mostly sunny, with a high near 79. East wind around 5 mph becoming north in the afternoon.
Friday Night
Mostly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Mostly sunny, with a high near 68.
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:
1:46 pm CST Feb 16, 2026
Forecast Valid:
2pm CST Feb 16, 2026-6pm CST Feb 22, 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