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

94°F

34°C

Humidity 52%
Wind Speed SE 16 G 23 mph
Barometer 29.97 in (1014.0 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index104°F (40°C)
Last update 1 Jul 3:56 pm CDT
Extended Forecast for

2 Miles SSW Lockhart TX

  • Tonight

    Tonight: Mostly clear, with a low around 74. South southeast wind 5 to 10 mph.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 95. Heat index values as high as 101. Light south southwest wind becoming south southeast 5 to 10 mph in the morning.

    High: 95 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75. South southeast wind 5 to 10 mph.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 96. Heat index values as high as 102. Light south wind becoming south southeast 5 to 10 mph in the morning.

    High: 96 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 75. South southeast wind 5 to 10 mph.

    Low: 75 °F

    Mostly Clear

  • Independence Day

    Independence Day: Mostly sunny, with a high near 97. South wind around 5 mph.

    High: 97 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 75. Southeast wind 5 to 10 mph.

    Low: 75 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 96. South wind around 5 mph.

    High: 96 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 76. South wind 5 to 10 mph.

    Low: 76 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 74. South southeast wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 95. Heat index values as high as 101. Light south southwest wind becoming south southeast 5 to 10 mph in the morning.
Thursday Night
Mostly clear, with a low around 75. South southeast wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 96. Heat index values as high as 102. Light south wind becoming south southeast 5 to 10 mph in the morning.
Friday Night
Mostly clear, with a low around 75. South southeast wind 5 to 10 mph.
Independence Day
Mostly sunny, with a high near 97. South wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 75. Southeast wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 96. South wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 76. South wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 96.
Monday Night
Partly cloudy, with a low around 75.
Tuesday
Mostly sunny, with a high near 97.
Tuesday Night
Partly cloudy, with a low around 76.
Wednesday
Sunny, with a high near 98.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Lockhart TX
 29.86°N 97.7°W (Elev. 545 ft)
Last Update:
2:44 pm CDT Jul 1, 2026
Forecast Valid:
4pm CDT Jul 1, 2026-6pm CDT Jul 8, 2026
 
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