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.

Fair

37°F

3°C

Humidity 54%
Wind Speed Calm
Barometer 30.28 in (1025.3 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 24 Feb 3:56 am CST
Extended Forecast for

2 Miles SSW Lockhart TX

  • Today

    Today: Sunny, with a high near 74. Light south southwest wind increasing to 15 to 20 mph in the morning. Winds could gust as high as 30 mph.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 53. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. South southwest wind 10 to 20 mph, with gusts as high as 25 mph.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. South southwest wind around 10 mph.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86. South southwest wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 53. North wind 5 to 10 mph.

    Low: 53 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 82. North northeast wind around 5 mph becoming east southeast in the afternoon.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 53. East southeast wind around 5 mph becoming calm after midnight.

    Low: 53 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 85. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 85 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 74. Light south southwest wind increasing to 15 to 20 mph in the morning. Winds could gust as high as 30 mph.
Tonight
Mostly clear, with a low around 53. South wind around 15 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 86. South southwest wind 10 to 20 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 58. South southwest wind around 10 mph.
Thursday
Sunny, with a high near 86. South southwest wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Clear, with a low around 53. North wind 5 to 10 mph.
Friday
Sunny, with a high near 82. North northeast wind around 5 mph becoming east southeast in the afternoon.
Friday Night
Clear, with a low around 53. East southeast wind around 5 mph becoming calm after midnight.
Saturday
Sunny, with a high near 85. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Partly sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Lockhart TX
 29.86°N 97.7°W (Elev. 545 ft)
Last Update:
12:44 am CST Feb 24, 2026
Forecast Valid:
4am CST Feb 24, 2026-6pm CST Mar 2, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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