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 96%
Wind Speed Calm
Barometer 30.13 in (1019.8 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 10 Nov 11:56 pm CST
Extended Forecast for

6 Miles SE Lockhart TX

  • Overnight

    Overnight: Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Patchy Fog

  • Veterans Day

    Veterans Day: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 77. Calm wind.

    High: 77 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy during the early evening, then becoming mostly clear, with a low around 56. Light and variable wind becoming north 5 to 10 mph after midnight.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 77. North northeast wind 5 to 10 mph.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 49. Calm wind.

    Low: 49 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 78. Calm wind becoming south southwest around 5 mph.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 51. South wind around 5 mph becoming calm.

    Low: 51 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers after noon. Partly sunny, with a high near 73. Light east wind becoming east southeast 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 73 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 55. East southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Chance
    Showers

Detailed Forecast

Overnight
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 58. Calm wind.
Veterans Day
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 77. Calm wind.
Wednesday Night
Mostly cloudy during the early evening, then becoming mostly clear, with a low around 56. Light and variable wind becoming north 5 to 10 mph after midnight.
Thursday
Sunny, with a high near 77. North northeast wind 5 to 10 mph.
Thursday Night
Clear, with a low around 49. Calm wind.
Friday
Sunny, with a high near 78. Calm wind becoming south southwest around 5 mph.
Friday Night
Mostly clear, with a low around 51. South wind around 5 mph becoming calm.
Saturday
A 30 percent chance of showers after noon. Partly sunny, with a high near 73. Light east wind becoming east southeast 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night
A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 55. East southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
A slight chance of showers and thunderstorms, then showers likely after noon. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 53.
Monday
Partly sunny, with a high near 67.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Partly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Lockhart TX
 29.79°N 97.62°W (Elev. 433 ft)
Last Update:
12:24 am CST Nov 11, 2026
Forecast Valid:
12am CST Nov 11, 2026-6pm CST Nov 17, 2026
 
Forecast Discussion
 
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Additional Resources

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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