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

46°F

8°C

Humidity 29%
Wind Speed N 28 G 35 mph
Barometer 30.23 in (1023.3 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 16 Mar 4:56 am CDT
Extended Forecast for

Wimberley TX

Red Flag Warning March 16, 05:38am until March 16, 08:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning March 16, 05:38am until March 16, 08:00pm

    NOW until 8:00pm Mon

    Red Flag Warning

  • Today

    High: 55 °F

    Increasing
    Clouds

  • Tonight

    Tonight: 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

  • Thursday Night

    Thursday Night: Clear, with a low around 55. South wind around 5 mph.

    Low: 55 °F

    Clear

Detailed Forecast

Today
Increasing clouds, with a high near 55. North wind 15 to 20 mph, with gusts as high as 40 mph.
Tonight
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. Southwest wind 5 to 10 mph.
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:
5:32 am CDT Mar 16, 2026
Forecast Valid:
5am CDT Mar 16, 2026-6pm CDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation