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

84°F

29°C

Humidity 38%
Wind Speed SE 14 mph
Barometer 29.99 in (1014.9 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 24 Mar 6:56 pm CDT
Extended Forecast for

Wimberley TX

  • Tonight

    Tonight: Increasing clouds, with a low around 63. South southeast wind around 5 mph.

    Low: 63 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 88. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 88 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 61. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy through mid morning, then gradual clearing, with a high near 88. South wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 88 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 89. South wind around 5 mph becoming east southeast in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57. North northeast wind around 5 mph.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 80. Northeast wind 5 to 10 mph.

    High: 80 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53. East northeast wind around 5 mph becoming calm after midnight.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 63. South southeast wind around 5 mph.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 88. South wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Increasing clouds, with a low around 61. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Mostly cloudy through mid morning, then gradual clearing, with a high near 88. South wind 5 to 10 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 60. South wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 89. South wind around 5 mph becoming east southeast in the afternoon.
Friday Night
Partly cloudy, with a low around 57. North northeast wind around 5 mph.
Saturday
Partly sunny, with a high near 80. Northeast wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 53. East northeast wind around 5 mph becoming calm after midnight.
Sunday
Sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Partly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 89.
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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:
6:46 pm CDT Mar 24, 2026
Forecast Valid:
7pm CDT Mar 24, 2026-6pm CDT Mar 31, 2026
 
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