Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair

49°F

9°C

Humidity 52%
Wind Speed S 8 mph
Barometer 30.22 in (1023.2 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 18 Mar 12:56 am CDT
Extended Forecast for

Lockhart TX

  • Overnight

    Overnight: Mostly clear, with a low around 41. South wind 5 to 10 mph.

    Low: 41 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78. South southwest wind 5 to 10 mph.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49. South wind around 5 mph.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84. Southwest wind 5 to 10 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 54. South wind around 5 mph.

    Low: 54 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 93. Southwest wind 5 to 10 mph.

    High: 93 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 58. South wind around 5 mph.

    Low: 58 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 95. South wind 5 to 10 mph.

    High: 95 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 60. South wind around 10 mph.

    Low: 60 °F

    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 41. South wind 5 to 10 mph.
Wednesday
Sunny, with a high near 78. South southwest wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 49. South wind around 5 mph.
Thursday
Sunny, with a high near 84. Southwest wind 5 to 10 mph.
Thursday Night
Clear, with a low around 54. South wind around 5 mph.
Friday
Sunny, with a high near 93. Southwest wind 5 to 10 mph.
Friday Night
Clear, with a low around 58. South wind around 5 mph.
Saturday
Sunny, with a high near 95. South wind 5 to 10 mph.
Saturday Night
Clear, with a low around 60. South wind around 10 mph.
Sunday
Sunny, with a high near 93.
Sunday Night
Mostly clear, with a low around 59.
Monday
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Mostly sunny, with a high near 85.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Lockhart TX
 29.88°N 97.68°W (Elev. 525 ft)
12:46 am CDT Mar 18, 2026
1am CDT Mar 18, 2026-6pm CDT Mar 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database