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

79°F

26°C

Humidity 47%
Wind Speed SW 14 G 22 mph
Barometer 30.16 in (1020.6 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 9 Feb 11:56 am CST
Extended Forecast for

Wimberley TX

  • This Afternoon

    This Afternoon: Sunny, with a high near 83. South wind around 5 mph.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 57. South wind around 5 mph.

    Low: 57 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Patchy fog between 7am and 10am. Otherwise, mostly cloudy, with a high near 75. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 75 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 56. Southeast wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers before noon. Partly sunny, with a high near 75. Calm wind becoming north around 5 mph in the afternoon.

    High: 75 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54. Northeast wind around 5 mph becoming calm.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 80. Calm wind becoming south around 5 mph in the afternoon.

    High: 80 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58. South wind around 5 mph.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after noon. Mostly cloudy, with a high near 81. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 81 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 83. South wind around 5 mph.
Tonight
Increasing clouds, with a low around 57. South wind around 5 mph.
Tuesday
Patchy fog between 7am and 10am. Otherwise, mostly cloudy, with a high near 75. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 56. Southeast wind around 5 mph becoming calm in the evening.
Wednesday
A 20 percent chance of showers before noon. Partly sunny, with a high near 75. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 54. Northeast wind around 5 mph becoming calm.
Thursday
Partly sunny, with a high near 80. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 58. South wind around 5 mph.
Friday
A 20 percent chance of showers after noon. Mostly cloudy, with a high near 81. South wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
A chance of showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Saturday Night
Clear, with a low around 48.
Sunday
Sunny, with a high near 74.
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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:
11:44 am CST Feb 9, 2026
Forecast Valid:
12pm CST Feb 9, 2026-6pm CST Feb 15, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation