Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Mostly Cloudy and Breezy

85°F

29°C

Humidity 51%
Wind Speed S 21 G 33 mph
Barometer 29.91 in (1012.1 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 5 Mar 12:56 pm CST
Extended Forecast for

5 Miles SSE Wimberley TX

  • This Afternoon

    This Afternoon: A 20 percent chance of showers before 3pm.  Mostly sunny, with a high near 83. South southeast wind around 20 mph, with gusts as high as 30 mph.

    High: 83 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 3am.  Increasing clouds, with a low around 66. South southeast wind around 15 mph, with gusts as high as 30 mph.

    Low: 66 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 3pm.  Mostly cloudy, with a high near 81. South wind 15 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 40%.

    High: 81 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 66. South southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers and possibly a thunderstorm.  High near 80. South southeast wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%.

    High: 80 °F

    Showers
    Likely then
    Showers

  • Saturday Night

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

    Low: 57 °F

    T-storms then
    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm.  High near 67. North northeast wind 5 to 10 mph.  Chance of precipitation is 80%.

    High: 67 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight.  Cloudy, with a low around 61. Northeast wind around 5 mph becoming east southeast after midnight.  Chance of precipitation is 60%.

    Low: 61 °F

    Showers
    Likely then
    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 80. South wind 5 to 10 mph, with gusts as high as 25 mph.  Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A 20 percent chance of showers before 3pm. Mostly sunny, with a high near 83. South southeast wind around 20 mph, with gusts as high as 30 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 3am. Increasing clouds, with a low around 66. South southeast wind around 15 mph, with gusts as high as 30 mph.
Friday
A chance of showers, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 81. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South southeast wind around 10 mph, with gusts as high as 20 mph.
Saturday
Showers and possibly a thunderstorm. High near 80. South southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Saturday Night
Showers and possibly a thunderstorm. Low around 57. North northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Sunday
Showers and possibly a thunderstorm. High near 67. North northeast wind 5 to 10 mph. Chance of precipitation is 80%.
Sunday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Cloudy, with a low around 61. Northeast wind around 5 mph becoming east southeast after midnight. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 80. South wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Monday Night
A chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Wednesday
A 30 percent chance of showers. Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Wimberley TX
 29.92°N 98.07°W (Elev. 1047 ft)
12:44 pm CST Mar 5, 2026
1pm CST Mar 5, 2026-6pm CDT Mar 11, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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