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

94°F

34°C

Humidity 46%
Wind Speed SW 16 mph
Barometer 30.03 in (1015.8 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 8 Aug 11:56 am CDT
Extended Forecast for

Niederwald TX

  • This Afternoon

    This Afternoon: Sunny and hot, with a high near 99. Heat index values as high as 105. South southeast wind around 5 mph.

    High: 99 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 75. South wind 5 to 10 mph.

    Low: 75 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 98. Heat index values as high as 103. Calm wind becoming east southeast around 5 mph in the morning.

    High: 98 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 74. Southeast wind 5 to 10 mph becoming light south after midnight.

    Low: 74 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 96. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 96 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74. Southeast wind 5 to 10 mph becoming light south after midnight.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 96. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. South southwest wind around 5 mph.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 99. Heat index values as high as 105. South southeast wind around 5 mph.
Tonight
Clear, with a low around 75. South wind 5 to 10 mph.
Saturday
Sunny, with a high near 98. Heat index values as high as 103. Calm wind becoming east southeast around 5 mph in the morning.
Saturday Night
Mostly clear, with a low around 74. Southeast wind 5 to 10 mph becoming light south after midnight.
Sunday
Sunny, with a high near 96. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 74. Southeast wind 5 to 10 mph becoming light south after midnight.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 96. Calm wind becoming southeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 75. South southwest wind around 5 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Calm wind becoming south southeast around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 75.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
Wednesday Night
Partly cloudy, with a low around 75.
Thursday
Mostly sunny, with a high near 97.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Niederwald TX
 30.02°N 97.73°W (Elev. 614 ft)
Last Update:
12:50 pm CDT Aug 8, 2025
Forecast Valid:
12pm CDT Aug 8, 2025-6pm CDT Aug 14, 2025
 
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Additional Resources

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