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

55°F

13°C

Humidity 93%
Wind Speed NE 5 mph
Barometer 30.08 in (1018.3 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 15 Nov 12:56 am CST
Extended Forecast for

Niederwald TX

  • Overnight

    Overnight: Showers likely, with thunderstorms also possible after 3am. Mostly cloudy, with a low around 55. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers and possibly a thunderstorm before 3pm, then a chance of showers. High near 56. North northeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    High: 56 °F

    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: A slight chance of drizzle before 3am, then a slight chance of showers after 3am. Cloudy, with a low around 48. North northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 48 °F

    Slight Chance
    Showers

  • Monday

    Monday: Mostly cloudy, with a high near 52. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 52 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 48. North northeast wind 5 to 10 mph.

    Low: 48 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64. East northeast wind around 5 mph.

    High: 64 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51. East northeast wind around 5 mph becoming calm.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 70. East wind around 5 mph.

    High: 70 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 60. East wind around 5 mph becoming calm.

    Low: 60 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Showers likely, with thunderstorms also possible after 3am. Mostly cloudy, with a low around 55. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and possibly a thunderstorm before 3pm, then a chance of showers. High near 56. North northeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
A slight chance of drizzle before 3am, then a slight chance of showers after 3am. Cloudy, with a low around 48. North northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Monday
Mostly cloudy, with a high near 52. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 48. North northeast wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 64. East northeast wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 51. East northeast wind around 5 mph becoming calm.
Wednesday
Mostly cloudy, with a high near 70. East wind around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 60. East wind around 5 mph becoming calm.
Thursday
A 20 percent chance of showers after noon. Mostly cloudy, with a high near 73.
Thursday Night
Mostly cloudy, with a low around 59.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 74.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 62.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Niederwald TX
 30°N 97.76°W (Elev. 564 ft)
Last Update:
12:24 am CST Nov 15, 2026
Forecast Valid:
1am CST Nov 15, 2026-6pm CST Nov 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation