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

38°F

3°C

Humidity 60%
Wind Speed N 6 mph
Barometer 30.59 in (1035.7 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 23 Feb 3:56 am CST
Extended Forecast for

5 Miles SSE Wimberley TX

  • Today

    Today: Sunny, with a high near 64. North northeast wind around 5 mph becoming east in the afternoon.

    High: 64 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 37. East southeast wind around 5 mph becoming south southwest after midnight.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72. South southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. South wind around 10 mph.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82. Southwest wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 47. North wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 47 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 77. North wind around 5 mph becoming southeast in the afternoon.

    High: 77 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 64. North northeast wind around 5 mph becoming east in the afternoon.
Tonight
Mostly clear, with a low around 37. East southeast wind around 5 mph becoming south southwest after midnight.
Tuesday
Sunny, with a high near 72. South southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
Mostly clear, with a low around 53. South wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 84. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 56. South wind around 10 mph.
Thursday
Sunny, with a high near 82. Southwest wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
Clear, with a low around 47. North wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 77. North wind around 5 mph becoming southeast in the afternoon.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Mostly sunny, with a high near 81.
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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:
12:44 am CST Feb 23, 2026
Forecast Valid:
4am CST Feb 23, 2026-6pm CST Mar 1, 2026
 
Forecast Discussion
 
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