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

90°F

32°C

Humidity 63%
Wind Speed SE 12 mph
Barometer 29.93 in (1012.9 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 12 Oct 3:56 pm CDT
Extended Forecast for

3 Miles SSW Dale TX

  • Columbus Day

    Columbus Day: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 93. Heat index values as high as 102. South southeast wind around 10 mph, with gusts as high as 20 mph.

    High: 93 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 75. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 95. Heat index values as high as 103. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 95 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 76. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 76 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 94 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 69 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 92. Southeast wind 5 to 10 mph.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66. East southeast wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 85. Breezy, with a north northeast wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 85 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

Detailed Forecast

Columbus Day
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 93. Heat index values as high as 102. South southeast wind around 10 mph, with gusts as high as 20 mph.
Tonight
A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 75. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 95. Heat index values as high as 103. South wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Increasing clouds, with a low around 76. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 69. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 92. Southeast wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 66. East southeast wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 85. Breezy, with a north northeast wind 20 to 25 mph, with gusts as high as 35 mph.
Friday Night
Partly cloudy, with a low around 59.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 59.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Dale TX
 29.84°N 97.57°W (Elev. 446 ft)
Last Update:
2:44 pm CDT Oct 12, 2026
Forecast Valid:
4pm CDT Oct 12, 2026-6pm CDT Oct 19, 2026
 
Forecast Discussion
 
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Additional Resources

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