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

72°F

22°C

Humidity 94%
Wind Speed E 3 mph
Barometer 30.01 in (1015.6 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 12 Oct 5:56 am CDT
Extended Forecast for

Wimberley TX

  • Columbus Day

    Columbus Day: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 90. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 90 °F

    Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers before 7pm. Mostly cloudy, with a low around 74. Southeast wind around 5 mph, with gusts as high as 20 mph.

    Low: 74 °F

    Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 93. Heat index values as high as 102. South wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 93 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 75. South southeast wind around 10 mph, with gusts as high as 25 mph.

    Low: 75 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 91. South southeast wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 91 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 69. South southeast wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 10%.

    Low: 69 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 88. South southeast wind around 5 mph.

    High: 88 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64. Light and variable wind becoming north 10 to 15 mph after midnight.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 77. North northeast wind around 20 mph, with gusts as high as 35 mph.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Columbus Day
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 90. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Tonight
A 30 percent chance of showers before 7pm. Mostly cloudy, with a low around 74. Southeast wind around 5 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 93. Heat index values as high as 102. South wind 5 to 10 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 75. South southeast wind around 10 mph, with gusts as high as 25 mph.
Wednesday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 91. South southeast wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Wednesday Night
A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 69. South southeast wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 10%.
Thursday
Mostly sunny, with a high near 88. South southeast wind around 5 mph.
Thursday Night
Mostly clear, with a low around 64. Light and variable wind becoming north 10 to 15 mph after midnight.
Friday
Mostly sunny, with a high near 77. North northeast wind around 20 mph, with gusts as high as 35 mph.
Friday Night
Mostly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 76.
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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:
5:42 am CDT Oct 12, 2026
Forecast Valid:
6am CDT Oct 12, 2026-6pm CDT Oct 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation