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.

Overcast

90°F

32°C

Humidity 59%
Wind Speed S 14 mph
Barometer 29.99 in (1014.5 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 14 Oct 12:56 pm CDT
Extended Forecast for

Wimberley TX

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 91. South southeast wind around 10 mph, with gusts as high as 25 mph.

    High: 91 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 68. South southeast wind 5 to 10 mph, with gusts as high as 30 mph.

    Low: 68 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 88. Southeast wind 5 to 10 mph.

    High: 88 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly after 4am. Partly cloudy, with a low around 62. Light and variable wind becoming north 5 to 10 mph after midnight.

    Low: 62 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers before 7am. Partly sunny, with a high near 71. North wind around 20 mph, with gusts as high as 40 mph.

    High: 71 °F

    Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 49. North wind 15 to 20 mph, with gusts as high as 40 mph.

    Low: 49 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 68. North wind 10 to 15 mph, with gusts as high as 35 mph.

    High: 68 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 48. North northeast wind around 5 mph becoming calm in the evening.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 73. North wind around 5 mph becoming east in the afternoon.

    High: 73 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 91. South southeast wind around 10 mph, with gusts as high as 25 mph.
Tonight
A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 68. South southeast wind 5 to 10 mph, with gusts as high as 30 mph.
Thursday
Mostly sunny, with a high near 88. Southeast wind 5 to 10 mph.
Thursday Night
A 30 percent chance of showers, mainly after 4am. Partly cloudy, with a low around 62. Light and variable wind becoming north 5 to 10 mph after midnight.
Friday
A 30 percent chance of showers before 7am. Partly sunny, with a high near 71. North wind around 20 mph, with gusts as high as 40 mph.
Friday Night
Partly cloudy, with a low around 49. North wind 15 to 20 mph, with gusts as high as 40 mph.
Saturday
Sunny, with a high near 68. North wind 10 to 15 mph, with gusts as high as 35 mph.
Saturday Night
Mostly clear, with a low around 48. North northeast wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 73. North wind around 5 mph becoming east in the afternoon.
Sunday Night
Mostly clear, with a low around 52.
Monday
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wimberley TX
 29.99°N 98.1°W (Elev. 817 ft)
Last Update:
12:42 pm CDT Oct 14, 2026
Forecast Valid:
1pm CDT Oct 14, 2026-6pm CDT Oct 20, 2026
 
Forecast Discussion
 
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Additional Resources

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