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.

Overcast

71°F

22°C

Humidity 81%
Wind Speed S 9 mph
Barometer 30.07 in (1017.3 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 25 Mar 1:56 am CDT
Extended Forecast for

2 Miles SSW Lockhart TX

  • Overnight

    Overnight: Mostly cloudy, with a low around 64. South wind 5 to 10 mph.

    Low: 64 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 89. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 89 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 63. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy through mid morning, then gradual clearing, with a high near 89. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 89 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 90. South wind 5 to 10 mph.

    High: 90 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59. North northeast wind around 10 mph.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 83. Northeast wind around 10 mph.

    High: 83 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53. East northeast wind 5 to 10 mph becoming south southeast after midnight.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 64. South wind 5 to 10 mph.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 89. South wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Increasing clouds, with a low around 63. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Mostly cloudy through mid morning, then gradual clearing, with a high near 89. South wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 61. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 90. South wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 59. North northeast wind around 10 mph.
Saturday
Partly sunny, with a high near 83. Northeast wind around 10 mph.
Saturday Night
Mostly clear, with a low around 53. East northeast wind 5 to 10 mph becoming south southeast after midnight.
Sunday
Sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Partly sunny, with a high near 89.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Partly sunny, with a high near 91.
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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:
2:42 am CDT Mar 25, 2026
Forecast Valid:
2am CDT Mar 25, 2026-6pm CDT Mar 31, 2026
 
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