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.

Overcast

64°F

18°C

Humidity 87%
Wind Speed S 14 mph
Barometer 30.00 in (1015.5 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 17 Feb 8:56 am CST
Extended Forecast for

Wimberley TX

  • Today

    Today: Mostly cloudy early, then gradual clearing, with a high near 81. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 81 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 57. South wind 5 to 10 mph becoming light southwest after midnight. Winds could gust as high as 25 mph.

    Low: 57 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 81. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 81 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 60. South wind around 5 mph.

    Low: 60 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 83. South southwest wind around 5 mph becoming north northeast in the afternoon.

    High: 83 °F

    Partly Sunny

  • Thursday Night

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

    Low: 58 °F

    Mostly Cloudy

  • Friday

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

    High: 79 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 53. Calm wind becoming north northwest around 5 mph after midnight.

    Low: 53 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 76. North wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy early, then gradual clearing, with a high near 81. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Increasing clouds, with a low around 57. South wind 5 to 10 mph becoming light southwest after midnight. Winds could gust as high as 25 mph.
Wednesday
Partly sunny, with a high near 81. Calm wind becoming south southwest around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 60. South wind around 5 mph.
Thursday
Partly sunny, with a high near 83. South southwest wind around 5 mph becoming north northeast in the afternoon.
Thursday Night
Mostly cloudy, with a low around 58. East wind around 5 mph becoming calm.
Friday
Mostly cloudy, with a high near 79. East wind around 5 mph becoming north in the afternoon.
Friday Night
Mostly cloudy, with a low around 53. Calm wind becoming north northwest around 5 mph after midnight.
Saturday
Mostly sunny, with a high near 76. North wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Sunny, with a high near 67.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Mostly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Wimberley TX
 29.99°N 98.1°W (Elev. 817 ft)
Last Update:
5:44 am CST Feb 17, 2026
Forecast Valid:
9am CST Feb 17, 2026-6pm CST Feb 23, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation