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.

Mostly Cloudy

60°F

16°C

Humidity 75%
Wind Speed NE 12 mph
Barometer 30.13 in (1020.0 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 14 Nov 9:56 am CST
Extended Forecast for

Wimberley TX

  • Today

    Today: A slight chance of showers before noon, then a slight chance of showers after 3pm. Partly sunny, with a high near 68. East southeast wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 68 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Showers likely, then showers and thunderstorms after midnight. Low around 55. East southeast wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 55 °F

    Showers
    Likely then
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms before 3pm, then showers likely. High near 66. East southeast wind 5 to 10 mph becoming north in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 66 °F

    T-storms then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 46. North northeast wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 46 °F

    Chance
    Showers then
    Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 56. North northeast wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 56 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 46. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 46 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 62. East northeast wind around 5 mph.

    High: 62 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50. East wind around 5 mph becoming calm.

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 66. East southeast wind around 5 mph.

    High: 66 °F

    Partly Sunny

Detailed Forecast

Today
A slight chance of showers before noon, then a slight chance of showers after 3pm. Partly sunny, with a high near 68. East southeast wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tonight
Showers likely, then showers and thunderstorms after midnight. Low around 55. East southeast wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers and thunderstorms before 3pm, then showers likely. High near 66. East southeast wind 5 to 10 mph becoming north in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 46. North northeast wind 10 to 15 mph, with gusts as high as 30 mph.
Monday
Mostly cloudy, with a high near 56. North northeast wind 10 to 15 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 46. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 62. East northeast wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 50. East wind around 5 mph becoming calm.
Wednesday
Partly sunny, with a high near 66. East southeast wind around 5 mph.
Wednesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 60.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 70.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 61.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Wimberley TX
 29.97°N 98.1°W (Elev. 945 ft)
Last Update:
7:42 am CST Nov 14, 2026
Forecast Valid:
10am CST Nov 14, 2026-6pm CST Nov 20, 2026
 
Forecast Discussion
 
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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