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

75°F

24°C

Humidity 64%
Wind Speed NE 10 mph
Barometer 30.05 in (1017.0 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 27 Feb 9:56 am CST
Extended Forecast for

Lockhart TX

  • Today

    Today: Sunny, with a high near 86. East wind 5 to 10 mph.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 57. East wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, partly sunny, then gradually becoming 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

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 59. South southeast wind 5 to 10 mph.

    Low: 59 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 85. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 85 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 60 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 83. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 83 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 59. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 59 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 85. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 85 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 86. East wind 5 to 10 mph.
Tonight
Increasing clouds, with a low around 57. East wind around 5 mph becoming calm in the evening.
Saturday
Patchy fog before 9am. Otherwise, partly sunny, then gradually becoming 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
Increasing clouds, with a low around 59. South southeast wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 85. South wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 60. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 83. South wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 59. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 85. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 63.
Wednesday
A 40 percent chance of showers. Mostly cloudy, with a high near 84.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 85.
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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:
7:42 am CST Feb 27, 2026
Forecast Valid:
10am CST Feb 27, 2026-6pm CST Mar 5, 2026
 
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