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

76°F

24°C

Humidity 100%
Wind Speed SE 3 mph
Barometer 30.15 in (1020.0 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index75°F (24°C)
Last update 24 Jun 11:56 pm CDT
Extended Forecast for

Lockhart TX

  • Overnight

    Overnight: Partly cloudy, with a low around 72. South southeast wind around 5 mph becoming calm.

    Low: 72 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. Light east wind increasing to 5 to 10 mph in the afternoon.

    High: 91 °F

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 72. Southeast wind 5 to 10 mph becoming light south southeast after midnight.

    Low: 72 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 92. Light south southeast wind becoming southeast 5 to 10 mph in the morning.

    High: 92 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 72. Southeast wind 5 to 10 mph becoming light south after midnight.

    Low: 72 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 94. Light south wind becoming south southeast 5 to 10 mph in the morning.

    High: 94 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 72. South southeast wind 5 to 10 mph.

    Low: 72 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 94. Light south wind becoming south southeast 5 to 10 mph in the morning.

    High: 94 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 74. South wind 5 to 10 mph.

    Low: 74 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 72. South southeast wind around 5 mph becoming calm.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. Light east wind increasing to 5 to 10 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 72. Southeast wind 5 to 10 mph becoming light south southeast after midnight.
Thursday
Mostly sunny, with a high near 92. Light south southeast wind becoming southeast 5 to 10 mph in the morning.
Thursday Night
Partly cloudy, with a low around 72. Southeast wind 5 to 10 mph becoming light south after midnight.
Friday
Mostly sunny, with a high near 94. Light south wind becoming south southeast 5 to 10 mph in the morning.
Friday Night
Partly cloudy, with a low around 72. South southeast wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 94. Light south wind becoming south southeast 5 to 10 mph in the morning.
Saturday Night
Partly cloudy, with a low around 74. South wind 5 to 10 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93.
Sunday Night
Partly cloudy, with a low around 73.
Monday
Mostly sunny, with a high near 94.
Monday Night
Partly cloudy, with a low around 74.
Tuesday
Partly sunny, with a high near 95.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lockhart TX
 29.88°N 97.7°W (Elev. 564 ft)
Last Update:
12:02 am CDT Jun 25, 2025
Forecast Valid:
12am CDT Jun 25, 2025-6pm CDT Jul 1, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation