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

62°F

17°C

Humidity 54%
Wind Speed NE 13 mph
Barometer 30.27 in (1024.7 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 5 Apr 6:56 pm CDT
Extended Forecast for

5 Miles SSE Wimberley TX

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 50. North northeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 71. Northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 71 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 48. East northeast wind around 5 mph.

    Low: 48 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 71. Northeast wind around 5 mph becoming east southeast in the afternoon.

    High: 71 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 53. East wind around 5 mph.

    Low: 53 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 74. Southeast wind around 5 mph.

    High: 74 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 59. Southeast wind around 5 mph.

    Low: 59 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 80. Southeast wind 5 to 10 mph.

    High: 80 °F

    Cloudy then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 61. Southeast wind 5 to 10 mph.

    Low: 61 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 50. North northeast wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 71. Northeast wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Increasing clouds, with a low around 48. East northeast wind around 5 mph.
Tuesday
Partly sunny, with a high near 71. Northeast wind around 5 mph becoming east southeast in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 53. East wind around 5 mph.
Wednesday
Partly sunny, with a high near 74. Southeast wind around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 59. Southeast wind around 5 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 80. Southeast wind 5 to 10 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 61. Southeast wind 5 to 10 mph.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 80.
Friday Night
Mostly cloudy, with a low around 64.
Saturday
A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 79.
Saturday Night
A 40 percent chance of showers and thunderstorms. Cloudy, with a low around 65.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Wimberley TX
 29.92°N 98.07°W (Elev. 1047 ft)
Last Update:
6:46 pm CDT Apr 5, 2026
Forecast Valid:
7pm CDT Apr 5, 2026-6pm CDT Apr 12, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation