National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair

83°F

28°C

Humidity 31%
Wind Speed E 7 mph
Barometer 30.14 in (1020.1 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 20 Oct 4:56 pm CDT
Extended Forecast for

Wimberley TX

  • Tonight

    Tonight: Mostly clear, with a low around 55. East wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. East wind around 5 mph becoming calm.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82. Calm wind becoming east around 5 mph in the afternoon.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. East wind around 5 mph becoming calm.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82. Light and variable wind becoming southeast 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. East southeast wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 82. Light east southeast wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 61. East southeast wind around 5 mph becoming calm after midnight. Winds could gust as high as 20 mph.

    Low: 61 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 55. East wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 83. Calm wind becoming northeast around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 56. East wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 82. Calm wind becoming east around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 54. East wind around 5 mph becoming calm.
Friday
Sunny, with a high near 82. Light and variable wind becoming southeast 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 56. East southeast wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 82. Light east southeast wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 61. East southeast wind around 5 mph becoming calm after midnight. Winds could gust as high as 20 mph.
Sunday
Mostly cloudy, with a high near 80.
Sunday Night
Mostly cloudy, with a low around 60.
Monday
Partly sunny, with a high near 79.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 58.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 79.
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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:
2:42 am CDT Oct 20, 2026
Forecast Valid:
5pm CDT Oct 20, 2026-6pm CDT Oct 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation