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

67°F

19°C

Humidity 61%
Wind Speed N 7 mph
Barometer 30.15 in (1020.5 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 12 Nov 8:56 am CST
Extended Forecast for

Wimberley TX

  • Today

    Today: Sunny, with a high near 75. North northeast wind around 5 mph becoming calm in the afternoon.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 48. Calm wind becoming west around 5 mph.

    Low: 48 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 77. West northwest wind around 5 mph becoming calm.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 49. South wind around 5 mph becoming calm.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: A 40 percent chance of showers after noon. Partly sunny, with a high near 68. Light east wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 25 mph.

    High: 68 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 53. Southeast wind 5 to 10 mph, with gusts as high as 25 mph.

    Low: 53 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 67. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 67 °F

    Showers
    Likely then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 50. North northeast wind 5 to 10 mph increasing to 10 to 15 mph after midnight. Winds could gust as high as 25 mph.

    Low: 50 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 60. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 60 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 75. North northeast wind around 5 mph becoming calm in the afternoon.
Tonight
Clear, with a low around 48. Calm wind becoming west around 5 mph.
Friday
Sunny, with a high near 77. West northwest wind around 5 mph becoming calm.
Friday Night
Mostly clear, with a low around 49. South wind around 5 mph becoming calm.
Saturday
A 40 percent chance of showers after noon. Partly sunny, with a high near 68. Light east wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 25 mph.
Saturday Night
A 40 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 53. Southeast wind 5 to 10 mph, with gusts as high as 25 mph.
Sunday
Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 67. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Sunday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 50. North northeast wind 5 to 10 mph increasing to 10 to 15 mph after midnight. Winds could gust as high as 25 mph.
Monday
Partly sunny, with a high near 60. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 46.
Tuesday
Partly sunny, with a high near 61.
Tuesday Night
Mostly cloudy, with a low around 49.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Wimberley TX
 29.99°N 98.13°W (Elev. 997 ft)
Last Update:
5:46 am CST Nov 12, 2026
Forecast Valid:
9am CST Nov 12, 2026-6pm CST Nov 18, 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