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

68°F

20°C

Humidity 68%
Wind Speed S 10 mph
Barometer 29.99 in (1014.7 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 22 Mar 11:56 pm CDT
Extended Forecast for

2 Miles SSW Lockhart TX

  • Overnight

    Overnight: Partly cloudy, with a low around 58. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 88. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 88 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. East wind around 5 mph becoming south after midnight.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 89. South wind 5 to 10 mph.

    High: 89 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63. South wind 5 to 10 mph.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 91. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 91 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 93. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 93 °F

    Mostly 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

Detailed Forecast

Overnight
Partly cloudy, with a low around 58. South wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Partly sunny, then gradually becoming sunny, with a high near 88. Calm wind becoming south southwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 58. East wind around 5 mph becoming south after midnight.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 89. South wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 63. South wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 91. South wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 62. South wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 93. 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 89.
Friday Night
Mostly clear, with a low around 56.
Saturday
Partly sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Mostly sunny, with a high near 84.
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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:
11:32 pm CDT Mar 22, 2026
Forecast Valid:
12am CDT Mar 23, 2026-6pm CDT Mar 29, 2026
 
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