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.

Mostly Cloudy

85°F

29°C

Humidity 75%
Wind Speed SE 14 mph
Barometer 29.92 in (1012.4 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 14 Oct 6:56 pm CDT
Extended Forecast for

2 Miles SW Lockhart TX

  • Tonight

    Tonight: Partly cloudy, with a low around 67. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 90. Southeast wind 5 to 10 mph.

    High: 90 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly after 4am. Partly cloudy, with a low around 64. East southeast wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers before 7am. Partly sunny, with a high near 74. Windy, with a north wind 25 to 30 mph, with gusts as high as 40 mph.

    High: 74 °F

    Windy. Chance
    Showers then
    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 50. Breezy, with a north wind 20 to 25 mph, with gusts as high as 40 mph.

    Low: 50 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 70. North wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 70 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 47. North northeast wind 5 to 10 mph becoming light.

    Low: 47 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 75. Northeast wind around 5 mph.

    High: 75 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 67. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 90. Southeast wind 5 to 10 mph.
Thursday Night
A 30 percent chance of showers, mainly after 4am. Partly cloudy, with a low around 64. East southeast wind around 5 mph becoming calm in the evening.
Friday
A 30 percent chance of showers before 7am. Partly sunny, with a high near 74. Windy, with a north wind 25 to 30 mph, with gusts as high as 40 mph.
Friday Night
Mostly clear, with a low around 50. Breezy, with a north wind 20 to 25 mph, with gusts as high as 40 mph.
Saturday
Sunny, with a high near 70. North wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 47. North northeast wind 5 to 10 mph becoming light.
Sunday
Sunny, with a high near 75. Northeast wind around 5 mph.
Sunday Night
Mostly clear, with a low around 51. Calm wind.
Monday
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
A 30 percent chance of showers. Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Lockhart TX
 29.86°N 97.7°W (Elev. 545 ft)
Last Update:
6:42 pm CDT Oct 14, 2026
Forecast Valid:
7pm CDT Oct 14, 2026-6pm CDT Oct 21, 2026
 
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