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

87°F

31°C

Humidity 26%
Wind Speed NE 10 mph
Barometer 29.74 in (1006.3 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 26 Feb 12:56 pm CST
Extended Forecast for

5 Miles SSE Wimberley TX

  • This Afternoon

    This Afternoon: Sunny, with a high near 87. North northeast wind around 10 mph.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 56. North northeast wind around 10 mph.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84. North northeast wind 5 to 10 mph becoming east southeast in the afternoon.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. Southeast wind around 5 mph.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 84. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 58. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 84. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 84 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 59. South southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 59 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 77. South wind around 10 mph becoming east in the morning. Winds could gust as high as 20 mph.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 87. North northeast wind around 10 mph.
Tonight
Mostly clear, with a low around 56. North northeast wind around 10 mph.
Friday
Sunny, with a high near 84. North northeast wind 5 to 10 mph becoming east southeast in the afternoon.
Friday Night
Mostly clear, with a low around 56. Southeast wind around 5 mph.
Saturday
Sunny, with a high near 84. South wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 58. South wind around 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 84. South wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 59. South southeast wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 77. South wind around 10 mph becoming east in the morning. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Partly sunny, with a high near 81.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 61.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly 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:
12:46 pm CST Feb 26, 2026
Forecast Valid:
1pm CST Feb 26, 2026-6pm CST Mar 4, 2026
 
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