Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair

46°F

8°C

Humidity 79%
Wind Speed N 7 mph
Barometer 30.37 in (1028.3 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 18 Oct 5:56 am CDT
Extended Forecast for

Lockhart TX

  • Today

    Today: Sunny, with a high near 75. North wind around 5 mph becoming east northeast in the afternoon.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 78. Calm wind becoming northeast around 5 mph.

    High: 78 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 83. East northeast wind around 5 mph.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55. East northeast wind around 5 mph becoming calm.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 57. East wind around 5 mph becoming calm.

    Low: 57 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 89. Calm wind becoming east around 5 mph.

    High: 89 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 75. North wind around 5 mph becoming east northeast in the afternoon.
Tonight
Partly cloudy, with a low around 51. Calm wind.
Monday
Partly sunny, with a high near 78. Calm wind becoming northeast around 5 mph.
Monday Night
Partly cloudy, with a low around 55. Calm wind.
Tuesday
Sunny, with a high near 83. East northeast wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 55. East northeast wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 86. Calm wind becoming east northeast around 5 mph in the afternoon.
Wednesday Night
Clear, with a low around 57. East wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 89. Calm wind becoming east around 5 mph.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny, with a high near 89.
Friday Night
Mostly clear, with a low around 59.
Saturday
Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Lockhart TX
 29.86°N 97.68°W (Elev. 535 ft)
5:32 am CDT Oct 18, 2026
6am CDT Oct 18, 2026-6pm CDT Oct 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database