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

75°F

24°C

Humidity 62%
Wind Speed S 20 mph
Barometer 30.02 in (1015.9 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 25 Mar 9:56 pm CDT
Extended Forecast for

5 Miles SSE Wimberley TX

  • Tonight

    Tonight: Increasing clouds, with a low around 63. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 87. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 87 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 60. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 60 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 87. South wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.

    High: 87 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57. North northeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 78. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 78 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54. East northeast wind around 5 mph becoming southeast after midnight.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 84. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 84 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57. South southeast wind 5 to 10 mph.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 63. South wind around 10 mph, with gusts as high as 20 mph.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 87. South wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Increasing clouds, with a low around 60. South wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 87. South wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Partly cloudy, with a low around 57. North northeast wind around 10 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 78. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 54. East northeast wind around 5 mph becoming southeast after midnight.
Sunday
Mostly sunny, with a high near 84. South wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 57. South southeast wind 5 to 10 mph.
Monday
Partly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Partly sunny, with a high near 88.
Tuesday Night
Mostly cloudy, with a low around 64.
Wednesday
Partly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Wimberley TX
 29.92°N 98.07°W (Elev. 1047 ft)
Last Update:
6:48 pm CDT Mar 25, 2026
Forecast Valid:
10pm CDT Mar 25, 2026-6pm CDT Apr 1, 2026
 
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