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

62°F

17°C

Humidity 93%
Wind Speed N 7 mph
Barometer 30.12 in (1019.5 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 12 May 4:56 am CDT
Extended Forecast for

4 Miles WNW Niederwald TX

  • Today

    Today: Sunny, with a high near 84. North wind around 5 mph becoming east northeast in the afternoon.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. East wind around 5 mph becoming calm.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 65. East southeast wind around 5 mph becoming calm.

    Low: 65 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 91. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 68. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 68 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 91. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 91 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 72. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 72 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 91. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 91 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 84. North wind around 5 mph becoming east northeast in the afternoon.
Tonight
Mostly clear, with a low around 62. East wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 89. Calm wind becoming east southeast around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 65. East southeast wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 91. South wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 68. South wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 91. South wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 72. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
Partly sunny, with a high near 91. South wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly cloudy, with a low around 77.
Sunday
Mostly cloudy, with a high near 91.
Sunday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78.
Monday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Niederwald TX
 30.02°N 97.79°W (Elev. 646 ft)
Last Update:
5:32 am CDT May 12, 2026
Forecast Valid:
5am CDT May 12, 2026-6pm CDT May 18, 2026
 
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