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.

Fog/Mist

77°F

25°C

Humidity 100%
Wind Speed S 3 mph
Barometer 30.01 in (1015.5 mb)
Dewpoint 77°F (25°C)
Visibility 4.00 mi
Heat Index78°F (26°C)
Last update 15 Jun 6:56 am CDT
Extended Forecast for

Wimberley TX

  • Today

    Today: A 40 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 94. Heat index values as high as 105. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 94 °F

    Partly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 73. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 73 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming 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

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. South wind 5 to 10 mph.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95. South wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74. South southeast wind around 10 mph, with gusts as high as 25 mph.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 93. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 93 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 73. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 73 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Light south southeast wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 94. Heat index values as high as 105. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 73. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Mostly cloudy, then gradually becoming 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.
Monday Night
Mostly clear, with a low around 73. South wind 5 to 10 mph.
Tuesday
Sunny, with a high near 95. South wind 5 to 10 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 74. South southeast wind around 10 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 93. South wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 73. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Juneteenth
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Light south southeast wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 71.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Friday Night
Partly cloudy, with a low around 73.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Wimberley TX
 29.99°N 98.1°W (Elev. 817 ft)
Last Update:
6:42 am CDT Jun 15, 2025
Forecast Valid:
7am CDT Jun 15, 2025-6pm CDT Jun 21, 2025
 
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