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

76°F

24°C

Humidity 62%
Wind Speed SE 15 mph
Barometer 29.97 in (1014.1 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 4 Mar 7:56 pm CST
Extended Forecast for

Wimberley TX

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers and thunderstorms after 3am. Increasing clouds, with a low around 65. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before 9am, then a slight chance of showers between 9am and 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 84. South southeast wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms after midnight. Increasing clouds, with a low around 64. South southeast wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 64 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 82. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.

    High: 82 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 66. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    Low: 66 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 9am, then showers likely between 9am and noon, then showers and possibly a thunderstorm after noon. High near 82. South southeast wind 5 to 10 mph becoming east northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%.

    High: 82 °F

    Showers
    Likely then
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 57. North northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    Low: 57 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 71. Northeast wind 5 to 10 mph. Chance of precipitation is 80%.

    High: 71 °F

    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60. East northeast wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Chance
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms before midnight, then a slight chance of showers and thunderstorms after 3am. Increasing clouds, with a low around 65. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms before 9am, then a slight chance of showers between 9am and 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 84. South southeast wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Thursday Night
A 30 percent chance of showers and thunderstorms after midnight. Increasing clouds, with a low around 64. South southeast wind 10 to 15 mph, with gusts as high as 30 mph.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 82. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 66. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Saturday
Showers likely and possibly a thunderstorm before 9am, then showers likely between 9am and noon, then showers and possibly a thunderstorm after noon. High near 82. South southeast wind 5 to 10 mph becoming east northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%.
Saturday Night
Showers and possibly a thunderstorm. Low around 57. North northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Sunday
Showers and possibly a thunderstorm. High near 71. Northeast wind 5 to 10 mph. Chance of precipitation is 80%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60. East northeast wind around 5 mph becoming calm in the evening.
Monday
Showers likely, mainly after noon. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Tuesday
Showers likely. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Wednesday
A 20 percent chance of showers. Sunny, with a high near 77.
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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:
5:44 pm CST Mar 4, 2026
Forecast Valid:
8pm CST Mar 4, 2026-6pm CDT Mar 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation