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

69°F

21°C

Humidity 38%
Wind Speed SE 8 mph
Barometer 29.67 in (1004.3 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 25 Feb 7:56 pm CST
Extended Forecast for

Lockhart TX

  • Tonight

    Tonight: Partly cloudy, with a low around 58. South wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 89. Light and variable wind becoming north northeast 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 89 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84. North northeast wind 5 to 10 mph becoming east in the afternoon.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. East wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 86. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 86. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60. South wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 58. South wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 89. Light and variable wind becoming north northeast 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 58. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 84. North northeast wind 5 to 10 mph becoming east in the afternoon.
Friday Night
Mostly clear, with a low around 57. East wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 86. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 57. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 86. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 60. South wind 5 to 15 mph, with gusts as high as 20 mph.
Monday
Partly sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Mostly cloudy, with a high near 80.
Tuesday Night
Mostly cloudy, with a low around 59.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lockhart TX
 29.88°N 97.68°W (Elev. 525 ft)
Last Update:
6:44 pm CST Feb 25, 2026
Forecast Valid:
8pm CST Feb 25, 2026-6pm CST Mar 4, 2026
 
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