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

69°F

21°C

Humidity 68%
Wind Speed S 17 mph
Barometer 30.27 in (1024.5 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 8 Feb 10:56 am CST
Extended Forecast for

Lockhart TX

  • Today

    Today: Mostly sunny, with a high near 79. South southwest wind 5 to 10 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 54. South wind around 5 mph.

    Low: 54 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 81. South southwest wind 5 to 10 mph.

    High: 81 °F

    Patchy Fog
    then Partly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 59. South wind 5 to 10 mph.

    Low: 59 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after noon. Cloudy, with a high near 77. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 77 °F

    Cloudy then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 58. South southeast wind 5 to 10 mph becoming light south after midnight.

    Low: 58 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79. Calm wind becoming west southwest around 5 mph in the morning.

    High: 79 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. East wind around 5 mph becoming south after midnight.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 84. South wind 5 to 10 mph.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 79. South southwest wind 5 to 10 mph.
Tonight
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 54. South wind around 5 mph.
Monday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 81. South southwest wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 59. South wind 5 to 10 mph.
Tuesday
A 20 percent chance of showers after noon. Cloudy, with a high near 77. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 58. South southeast wind 5 to 10 mph becoming light south after midnight.
Wednesday
Mostly sunny, with a high near 79. Calm wind becoming west southwest around 5 mph in the morning.
Wednesday Night
Mostly clear, with a low around 57. East wind around 5 mph becoming south after midnight.
Thursday
Mostly sunny, with a high near 84. South wind 5 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 58.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 81.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 57.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 78.
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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:
10:50 am CST Feb 8, 2026
Forecast Valid:
11am CST Feb 8, 2026-6pm CST Feb 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation