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

64°F

18°C

Humidity 96%
Wind Speed SE 5 mph
Barometer 30.13 in (1019.8 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 10 Apr 12:56 am CDT
Extended Forecast for

Wimberley TX

  • Overnight

    Overnight: A 30 percent chance of showers, mainly after 4am. Cloudy, with a low around 64. South southeast wind around 5 mph.

    Low: 64 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 80. Southeast wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 1am, then a slight chance of showers after 4am. Increasing clouds, with a low around 65. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly after 7am. Mostly cloudy, with a high near 81. Southeast wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 67. South southeast wind around 10 mph, with gusts as high as 25 mph.

    Low: 67 °F

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 79. South wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 79 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms before 1am. Cloudy, with a low around 68. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 68 °F

    Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 83. South wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 83 °F

    Cloudy then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 66. South southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers, mainly after 4am. Cloudy, with a low around 64. South southeast wind around 5 mph.
Friday
A chance of showers, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 80. Southeast wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A slight chance of showers and thunderstorms before 1am, then a slight chance of showers after 4am. Increasing clouds, with a low around 65. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 7am. Mostly cloudy, with a high near 81. Southeast wind 5 to 10 mph, with gusts as high as 25 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 67. South southeast wind around 10 mph, with gusts as high as 25 mph.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 79. South wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Sunday Night
A 50 percent chance of showers and thunderstorms before 1am. Cloudy, with a low around 68. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 83. South wind 5 to 10 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 66. South southeast wind around 10 mph, with gusts as high as 20 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 82.
Tuesday Night
Mostly cloudy, with a low around 66.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 84.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85.
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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:
12:58 am CDT Apr 10, 2026
Forecast Valid:
1am CDT Apr 10, 2026-6pm CDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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