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

45°F

7°C

Humidity 56%
Wind Speed NW 5 mph
Barometer 30.19 in (1021.8 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 7 Feb 5:56 am CST
Extended Forecast for

Lockhart TX

  • Today

    Today: Sunny, with a high near 82. North northwest wind around 5 mph becoming southeast in the afternoon.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 47. Southeast wind around 5 mph becoming calm after midnight.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 77. Light south southwest wind becoming south 5 to 10 mph in the morning.

    High: 77 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 55. South wind around 5 mph.

    Low: 55 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 78. South southwest wind 5 to 10 mph.

    High: 78 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 59. South wind 5 to 10 mph.

    Low: 59 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A 50 percent chance of showers. Mostly cloudy, with a high near 77. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 77 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 56. South wind around 5 mph.

    Low: 56 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82. South southwest wind around 5 mph.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 82. North northwest wind around 5 mph becoming southeast in the afternoon.
Tonight
Partly cloudy, with a low around 47. Southeast wind around 5 mph becoming calm after midnight.
Sunday
Mostly sunny, with a high near 77. Light south southwest wind becoming south 5 to 10 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 55. South wind around 5 mph.
Monday
Partly sunny, with a high near 78. South southwest wind 5 to 10 mph.
Monday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 59. South wind 5 to 10 mph.
Tuesday
A 50 percent chance of showers. Mostly cloudy, with a high near 77. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 56. South wind around 5 mph.
Wednesday
Mostly sunny, with a high near 82. South southwest wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Partly sunny, with a high near 82.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 57.
Friday
A 30 percent chance of showers. Mostly sunny, with a high near 79.
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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:
5:44 am CST Feb 7, 2026
Forecast Valid:
6am CST Feb 7, 2026-6pm CST Feb 13, 2026
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

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