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

64°F

18°C

Humidity 87%
Wind Speed N 7 mph
Barometer 29.72 in (1005.9 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 19 Feb 11:56 pm CST
Extended Forecast for

Wimberley TX

  • Overnight

    Overnight: Mostly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 71. Northeast wind 5 to 10 mph.

    High: 71 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 53. East northeast wind around 5 mph becoming calm.

    Low: 53 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 75. North wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 38. North wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 64. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 64 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. Northeast wind around 5 mph becoming calm in the evening.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 66. Calm wind becoming east around 5 mph in the morning.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39. East southeast wind around 5 mph becoming calm.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 55. Calm wind.
Friday
Mostly cloudy, with a high near 71. Northeast wind 5 to 10 mph.
Friday Night
Mostly cloudy, with a low around 53. East northeast wind around 5 mph becoming calm.
Saturday
Mostly sunny, with a high near 75. North wind 5 to 15 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 38. North wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 64. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 36. Northeast wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 66. Calm wind becoming east around 5 mph in the morning.
Monday Night
Mostly clear, with a low around 39. East southeast wind around 5 mph becoming calm.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 86.
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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:
11:46 pm CST Feb 19, 2026
Forecast Valid:
12am CST Feb 20, 2026-6pm CST Feb 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation