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.

Overcast

61°F

16°C

Humidity 93%
Wind Speed NE 9 mph
Barometer 30.19 in (1022.2 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 8 Nov 6:56 pm CST
Extended Forecast for

4 Miles SW Wimberley TX

  • Tonight

    Tonight: Showers, mainly after 9pm. Low around 55. Northeast wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 55 °F

    Showers

  • Monday

    Monday: Showers, mainly before 3pm. High near 64. East northeast wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 64 °F

    Showers

  • Monday Night

    Monday Night: A chance of showers before midnight, then a slight chance of showers after 3am. Mostly cloudy, with a low around 55. Calm wind. Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers before noon. Partly sunny, with a high near 71. Calm wind.

    High: 71 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Tuesday Night

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

    Low: 55 °F

    Mostly Cloudy

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 77. Calm wind becoming west around 5 mph.

    High: 77 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. Light north northwest wind increasing to 5 to 10 mph after midnight. Winds could gust as high as 20 mph.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 74. North wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 45. Calm wind becoming north northwest around 5 mph after midnight.

    Low: 45 °F

    Clear

Detailed Forecast

Tonight
Showers, mainly after 9pm. Low around 55. Northeast wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Showers, mainly before 3pm. High near 64. East northeast wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
A chance of showers before midnight, then a slight chance of showers after 3am. Mostly cloudy, with a low around 55. Calm wind. Chance of precipitation is 30%.
Tuesday
A 20 percent chance of showers before noon. Partly sunny, with a high near 71. Calm wind.
Tuesday Night
Mostly cloudy, with a low around 55. Calm wind.
Veterans Day
Partly sunny, with a high near 77. Calm wind becoming west around 5 mph.
Wednesday Night
Partly cloudy, with a low around 52. Light north northwest wind increasing to 5 to 10 mph after midnight. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 74. North wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Clear, with a low around 45. Calm wind becoming north northwest around 5 mph after midnight.
Friday
Sunny, with a high near 71.
Friday Night
Clear, with a low around 44.
Saturday
Sunny, with a high near 70.
Saturday Night
A 20 percent chance of showers. Mostly clear, with a low around 48.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Wimberley TX
 29.94°N 98.15°W (Elev. 981 ft)
Last Update:
6:52 pm CST Nov 8, 2026
Forecast Valid:
7pm CST Nov 8, 2026-6pm CST Nov 15, 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