Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Overcast

91°F

33°C

Humidity 59%
Wind Speed S 9 mph
Barometer 29.95 in (1013.6 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 12 Oct 2:56 pm CDT
Extended Forecast for

6 Miles ESE Niederwald TX

  • Columbus Day

    Columbus Day: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 93. Heat index values as high as 102. South southeast wind around 10 mph, with gusts as high as 20 mph.

    High: 93 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 7pm.  Increasing clouds, with a low around 76. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 95. Heat index values as high as 103. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 95 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 76. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 76 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 93. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 93 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 70. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 70 °F

    Mostly Clear

  • Thursday

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

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66. East southeast wind around 5 mph becoming calm  in the evening.

    Low: 66 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 84. Windy, with a north northeast wind 20 to 30 mph, with gusts as high as 40 mph.

    High: 84 °F

    Mostly Sunny
    and Windy

Detailed Forecast

Columbus Day
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 93. Heat index values as high as 102. South southeast wind around 10 mph, with gusts as high as 20 mph.
Tonight
A 30 percent chance of showers and thunderstorms before 7pm. Increasing clouds, with a low around 76. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 95. Heat index values as high as 103. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Increasing clouds, with a low around 76. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 93. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 70. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 91. South southeast wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 66. East southeast wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 84. Windy, with a north northeast wind 20 to 30 mph, with gusts as high as 40 mph.
Friday Night
Partly cloudy, with a low around 59.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Niederwald TX
 29.95°N 97.65°W (Elev. 499 ft)
2:44 pm CDT Oct 12, 2026
3pm CDT Oct 12, 2026-6pm CDT Oct 18, 2026
 
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Additional Resources

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