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 48%
Wind Speed Vrbl 7 mph
Barometer 30.01 in (1015.1 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 1 Sep 12:56 pm CDT
Extended Forecast for

Wimberley TX

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 97. Heat index values as high as 106. East southeast wind around 5 mph.

    High: 97 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 76. East wind around 5 mph becoming calm.

    Low: 76 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 99. Heat index values as high as 108. Calm wind becoming west southwest around 5 mph.

    High: 99 °F

    Hot

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 76. East wind around 5 mph becoming south after midnight.

    Low: 76 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 98. South wind around 5 mph.

    High: 98 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 75. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 97. Calm wind becoming south southeast around 5 mph in the morning.

    High: 97 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 74. Southeast wind around 5 mph becoming calm after midnight.

    Low: 74 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 96. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 96 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 97. Heat index values as high as 106. East southeast wind around 5 mph.
Tonight
Partly cloudy, with a low around 76. East wind around 5 mph becoming calm.
Wednesday
Mostly sunny and hot, with a high near 99. Heat index values as high as 108. Calm wind becoming west southwest around 5 mph.
Wednesday Night
Increasing clouds, with a low around 76. East wind around 5 mph becoming south after midnight.
Thursday
Mostly sunny, with a high near 98. South wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 75. South wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 97. Calm wind becoming south southeast around 5 mph in the morning.
Friday Night
Partly cloudy, with a low around 74. Southeast wind around 5 mph becoming calm after midnight.
Saturday
Mostly sunny, with a high near 96. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Mostly sunny, with a high near 97.
Sunday Night
Mostly clear, with a low around 74.
Labor Day
Sunny, with a high near 97.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Wimberley TX
 29.99°N 98.1°W (Elev. 817 ft)
Last Update:
1:02 pm CDT Sep 1, 2026
Forecast Valid:
1pm CDT Sep 1, 2026-6pm CDT Sep 7, 2026
 
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Additional Resources

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