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

81°F

27°C

Humidity 82%
Wind Speed SE 9 mph
Barometer 30.00 in (1014.9 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 5 Jun 10:56 pm CDT
Extended Forecast for

Wimberley TX

  • Tonight

    Tonight: Mostly cloudy, with a low around 74. South wind around 5 mph.

    Low: 74 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 94. Heat index values as high as 103. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 94 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 74. South southeast wind 5 to 10 mph.

    Low: 74 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 96. Heat index values as high as 105. South wind around 10 mph, with gusts as high as 20 mph.

    High: 96 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 74. South southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 74 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 98. South wind around 10 mph.

    High: 98 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 73. South southeast wind around 10 mph.

    Low: 73 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 97. South wind 5 to 10 mph.

    High: 97 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Southeast wind 5 to 10 mph.

    Low: 73 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Tonight
Mostly cloudy, with a low around 74. South wind around 5 mph.
Friday
Partly sunny, with a high near 94. Heat index values as high as 103. South wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 74. South southeast wind 5 to 10 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 96. Heat index values as high as 105. South wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 74. South southeast wind around 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 98. South wind around 10 mph.
Sunday Night
Partly cloudy, with a low around 73. South southeast wind around 10 mph.
Monday
Mostly sunny, with a high near 97. South wind 5 to 10 mph.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Southeast wind 5 to 10 mph.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 88.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 87.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
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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:
11:41 pm CDT Jun 5, 2025
Forecast Valid:
11pm CDT Jun 5, 2025-6pm CDT Jun 12, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation