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

74°F

23°C

Humidity 88%
Wind Speed N 14 mph
Barometer 30.11 in (1018.9 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 4 Oct 9:56 am CDT
Extended Forecast for

5 Miles WSW Martindale TX

  • Today

    Today: Patchy drizzle before 11am. Mostly cloudy, with a high near 79. North northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 79 °F

    Patchy
    Drizzle then
    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 70. North wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 70 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 85. North northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85. North northeast wind 5 to 10 mph.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64. Calm wind becoming north around 5 mph after midnight.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87. Northeast wind around 5 mph.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 66. Calm wind becoming north around 5 mph after midnight.

    Low: 66 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 86. Northeast wind 5 to 10 mph.

    High: 86 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy drizzle before 11am. Mostly cloudy, with a high near 79. North northeast wind around 15 mph, with gusts as high as 25 mph.
Tonight
Mostly cloudy, with a low around 70. North wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 85. North northeast wind around 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 66. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 85. North northeast wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 64. Calm wind becoming north around 5 mph after midnight.
Wednesday
Sunny, with a high near 87. Northeast wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 66. Calm wind becoming north around 5 mph after midnight.
Thursday
Mostly sunny, with a high near 86. Northeast wind 5 to 10 mph.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 20%.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 66.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Martindale TX
 29.81°N 97.91°W (Elev. 581 ft)
Last Update:
9:44 am CDT Oct 4, 2026
Forecast Valid:
10am CDT Oct 4, 2026-6pm CDT Oct 10, 2026
 
Forecast Discussion
 
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Additional Resources

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