National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair and Windy

50°F

10°C

Humidity 30%
Wind Speed N 30 G 35 mph
Barometer 30.17 in (1021.1 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 16 Mar 2:56 am CDT
Extended Forecast for

Wimberley TX

Wind Advisory March 16, 03:31am until March 16, 05:00am
Red Flag Warning March 16, 03:31am until March 16, 08:00pm
Click here for hazard details and duration
Wind Advisory
Red Flag Warning
  •  
    Wind Advisory March 16, 03:31am until March 16, 05:00am
    Red Flag Warning March 16, 03:31am until March 16, 08:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 39 °F

    Partly Cloudy
    and Breezy

  • Monday

    Monday: Increasing clouds, with a high near 55. North wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 55 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 32. North wind 5 to 10 mph becoming light and variable in the evening.

    Low: 32 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 65. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 65 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 43. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 77. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50. South wind around 5 mph.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 85. Southwest wind around 5 mph.

    High: 85 °F

    Sunny

Detailed Forecast

Overnight
Partly cloudy, with a low around 39. Breezy, with a north wind around 25 mph, with gusts as high as 40 mph.
Monday
Increasing clouds, with a high near 55. North wind 15 to 20 mph, with gusts as high as 35 mph.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 32. North wind 5 to 10 mph becoming light and variable in the evening.
Tuesday
Sunny, with a high near 65. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 43. South wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 77. South wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 50. South wind around 5 mph.
Thursday
Sunny, with a high near 85. Southwest wind around 5 mph.
Thursday Night
Clear, with a low around 55. South wind around 5 mph.
Friday
Sunny, with a high near 90.
Friday Night
Clear, with a low around 58.
Saturday
Sunny, with a high near 92.
Saturday Night
Clear, with a low around 60.
Sunday
Sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wimberley TX
 29.99°N 98.1°W (Elev. 817 ft)
Last Update:
2:42 am CDT Mar 16, 2026
Forecast Valid:
3am CDT Mar 16, 2026-6pm CDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

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