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.

Overcast

56°F

13°C

Humidity 57%
Wind Speed N 15 mph
Barometer 30.33 in (1026.6 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 5 Apr 8:56 am CDT
Extended Forecast for

3 Miles NW Niederwald TX

  • Today

    Today: A 20 percent chance of showers before 4pm. Mostly cloudy, with a high near 69. North northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 69 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. North northeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 71. Northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 71 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 47. East northeast wind around 5 mph becoming calm in the evening.

    Low: 47 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 72. East wind around 5 mph.

    High: 72 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 52. East wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 59. South southeast wind around 5 mph.

    Low: 59 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 82. Light southeast wind increasing to 5 to 10 mph in the morning.

    High: 82 °F

    Mostly Cloudy

Detailed Forecast

Today
A 20 percent chance of showers before 4pm. Mostly cloudy, with a high near 69. North northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Mostly cloudy, with a low around 50. North northeast wind 5 to 15 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 71. Northeast wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 47. East northeast wind around 5 mph becoming calm in the evening.
Tuesday
Mostly cloudy, with a high near 72. East wind around 5 mph.
Tuesday Night
Mostly cloudy, with a low around 52. East wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 76. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 59. South southeast wind around 5 mph.
Thursday
Mostly cloudy, with a high near 82. Light southeast wind increasing to 5 to 10 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 62.
Friday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Saturday
A 40 percent chance of showers and thunderstorms. Cloudy, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Niederwald TX
 30.04°N 97.79°W (Elev. 640 ft)
Last Update:
8:44 am CDT Apr 5, 2026
Forecast Valid:
9am CDT Apr 5, 2026-6pm CDT Apr 11, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database Weather Element Forecast

Chance of Precipitation