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

37°F

3°C

Humidity 62%
Wind Speed NW 8 mph
Barometer 30.59 in (1035.8 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 23 Feb 2:56 am CST
Extended Forecast for

Wimberley TX

  • Overnight

    Overnight: Mostly clear, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 64. Calm wind becoming east northeast around 5 mph.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 37. Calm wind becoming south southwest around 5 mph.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73. South southwest wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53. South wind around 10 mph, with gusts as high as 25 mph.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. South southwest wind around 10 mph, with gusts as high as 25 mph.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. South wind around 5 mph.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82. Southwest wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 25 mph.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 47. North wind 5 to 10 mph.

    Low: 47 °F

    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 34. Calm wind.
Monday
Sunny, with a high near 64. Calm wind becoming east northeast around 5 mph.
Monday Night
Mostly clear, with a low around 37. Calm wind becoming south southwest around 5 mph.
Tuesday
Sunny, with a high near 73. South southwest wind 5 to 15 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly clear, with a low around 53. South wind around 10 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 85. South southwest wind around 10 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 56. South wind around 5 mph.
Thursday
Sunny, with a high near 82. Southwest wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
Clear, with a low around 47. North wind 5 to 10 mph.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Mostly sunny, with a high near 82.
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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:
12:44 am CST Feb 23, 2026
Forecast Valid:
3am CST Feb 23, 2026-6pm CST Mar 1, 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