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

49°F

9°C

Humidity 90%
Wind Speed W 3 mph
Barometer 30.04 in (1017.1 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 13 Nov 6:56 am CST
Extended Forecast for

Wimberley TX

  • Today

    Today: Sunny, with a high near 77. Calm wind becoming west around 5 mph.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 48. Southeast wind around 5 mph becoming calm.

    Low: 48 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers after noon. Partly sunny, with a high near 68. Light east northeast wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 25 mph.

    High: 68 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers. Low around 54. East southeast wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    Low: 54 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 67. East southeast wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%.

    High: 67 °F

    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 48. North northeast wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 48 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 57. North northeast wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 57 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 48. North northeast wind 5 to 10 mph, with gusts as high as 25 mph.

    Low: 48 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 59. Northeast wind around 5 mph.

    High: 59 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 77. Calm wind becoming west around 5 mph.
Tonight
Mostly clear, with a low around 48. Southeast wind around 5 mph becoming calm.
Saturday
A 20 percent chance of showers after noon. Partly sunny, with a high near 68. Light east northeast wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 25 mph.
Saturday Night
Showers. Low around 54. East southeast wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Sunday
Showers and possibly a thunderstorm. High near 67. East southeast wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%.
Sunday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 48. North northeast wind 10 to 15 mph, with gusts as high as 30 mph.
Monday
Mostly cloudy, with a high near 57. North northeast wind 10 to 15 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 48. North northeast wind 5 to 10 mph, with gusts as high as 25 mph.
Tuesday
Partly sunny, with a high near 59. Northeast wind around 5 mph.
Tuesday Night
Mostly cloudy, with a low around 51.
Wednesday
A 20 percent chance of showers. Mostly cloudy, with a high near 63.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 68.
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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:
8:14 am CST Nov 13, 2026
Forecast Valid:
8am CST Nov 13, 2026-6pm CST Nov 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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