National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair

65°F

18°C

Humidity 87%
Wind Speed Calm
Barometer 29.99 in (1014.8 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 9 Oct 6:56 am CDT
Extended Forecast for

Lockhart TX

  • Today

    Today: Sunny, with a high near 93. East northeast wind around 5 mph.

    High: 93 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 64. East wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 93. Calm wind becoming east around 5 mph.

    High: 93 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 67. South southeast wind around 5 mph becoming calm.

    Low: 67 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 92. Light south wind becoming south southeast 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 92 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 71. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 71 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 73. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 73 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 93. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 93 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 93. East northeast wind around 5 mph.
Tonight
Mostly clear, with a low around 64. East wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 93. Calm wind becoming east around 5 mph.
Saturday Night
Mostly clear, with a low around 67. South southeast wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 92. Light south wind becoming south southeast 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 71. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Columbus Day
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 73. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 93. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 74.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 93.
Wednesday Night
Partly cloudy, with a low around 73.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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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:
6:42 am CDT Oct 9, 2026
Forecast Valid:
7am CDT Oct 9, 2026-6pm CDT Oct 15, 2026
 
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Additional Resources

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Chance of Precipitation