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

55°F

13°C

Humidity 69%
Wind Speed Calm
Barometer 30.18 in (1021.7 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 6 Apr 11:56 pm CDT
Extended Forecast for

Wimberley TX

  • Overnight

    Overnight: Partly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 75. Calm wind becoming east around 5 mph in the afternoon.

    High: 75 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52. East wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 77. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 77 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 61. Southeast wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. Light southeast wind increasing to 5 to 10 mph in the morning.

    High: 80 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 61. Southeast wind around 5 mph becoming calm after midnight.

    Low: 61 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Light southeast wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 78 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 64. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 47. Calm wind.
Tuesday
Partly sunny, with a high near 75. Calm wind becoming east around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 52. East wind around 5 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 77. Calm wind becoming east southeast around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 61. Southeast wind around 5 mph becoming calm in the evening.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. Light southeast wind increasing to 5 to 10 mph in the morning.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 61. Southeast wind around 5 mph becoming calm after midnight.
Friday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Light southeast wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 64. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 80.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Sunday
A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 80.
Sunday Night
A 20 percent chance of showers and thunderstorms. Cloudy, with a low around 66.
Monday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83.
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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:
12:18 am CDT Apr 7, 2026
Forecast Valid:
12am CDT Apr 7, 2026-6pm CDT Apr 13, 2026
 
Forecast Discussion
 
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Additional Resources

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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