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

65°F

18°C

Humidity 52%
Wind Speed Vrbl 3 mph
Barometer 30.29 in (1025.4 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 19 Oct 9:56 am CDT
Extended Forecast for

Wimberley TX

  • Today

    Today: Mostly sunny, with a high near 78. Calm wind becoming east around 5 mph in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 56. East wind around 5 mph becoming calm.

    Low: 56 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. East wind around 5 mph becoming calm.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 85. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57. East southeast wind around 5 mph becoming calm.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85. Light and variable wind becoming south southeast 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 85 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 78. Calm wind becoming east around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 57. Calm wind.
Tuesday
Sunny, with a high near 82. Calm wind becoming east northeast around 5 mph in the afternoon.
Tuesday Night
Clear, with a low around 56. East wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 84. Calm wind becoming east northeast around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 58. East wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 85. Calm wind becoming east southeast around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 57. East southeast wind around 5 mph becoming calm.
Friday
Sunny, with a high near 85. Light and variable wind becoming south southeast 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 60.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
Partly cloudy, with a low around 61.
Sunday
Partly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wimberley TX
 29.99°N 98.1°W (Elev. 817 ft)
Last Update:
6:42 am CDT Oct 19, 2026
Forecast Valid:
10am CDT Oct 19, 2026-6pm CDT Oct 25, 2026
 
Forecast Discussion
 
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Additional Resources

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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