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.

A Few Clouds

72°F

22°C

Humidity 55%
Wind Speed NW 9 mph
Barometer 30.09 in (1018.3 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 3 Feb 4:56 pm CST
Extended Forecast for

6 Miles SE Lockhart TX

  • Tonight

    Tonight: Partly cloudy, with a low around 44. North wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 66. North wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 66 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 36. North wind 5 to 10 mph becoming light north northwest after midnight.

    Low: 36 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 67. Calm wind becoming west northwest around 5 mph.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 40. Calm wind becoming southwest around 5 mph in the evening.

    Low: 40 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 77. West wind 5 to 10 mph.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 43. Calm wind.

    Low: 43 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 79. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 49. South southeast wind around 5 mph becoming calm after midnight.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 44. North wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 66. North wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 36. North wind 5 to 10 mph becoming light north northwest after midnight.
Thursday
Sunny, with a high near 67. Calm wind becoming west northwest around 5 mph.
Thursday Night
Clear, with a low around 40. Calm wind becoming southwest around 5 mph in the evening.
Friday
Sunny, with a high near 77. West wind 5 to 10 mph.
Friday Night
Clear, with a low around 43. Calm wind.
Saturday
Sunny, with a high near 79. Calm wind becoming south southwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 49. South southeast wind around 5 mph becoming calm after midnight.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
Mostly cloudy, with a low around 50.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 77.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 53.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 78.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Lockhart TX
 29.82°N 97.6°W (Elev. 404 ft)
Last Update:
5:46 pm CST Feb 3, 2026
Forecast Valid:
6pm CST Feb 3, 2026-6pm CST Feb 10, 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