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.

Fog/Mist

73°F

23°C

Humidity 90%
Wind Speed NE 9 mph
Barometer 30.09 in (1018.4 mb)
Dewpoint 70°F (21°C)
Visibility 1.75 mi
Last update 7 Sep 7:56 am CDT
Extended Forecast for

Lockhart TX

  • Today

    Today: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 88. Northeast wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 88 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 69. East northeast wind around 5 mph becoming calm.

    Low: 69 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 92. East northeast wind around 5 mph.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 63. East wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 63. East southeast wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 96. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 96 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 67. East wind around 5 mph becoming calm in the evening.

    Low: 67 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 97. Light and variable wind becoming east 5 to 10 mph in the afternoon.

    High: 97 °F

    Sunny

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 88. Northeast wind 5 to 10 mph. Chance of precipitation is 30%.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 69. East northeast wind around 5 mph becoming calm.
Monday
Sunny, with a high near 92. East northeast wind around 5 mph.
Monday Night
Clear, with a low around 63. East wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 94. Calm wind becoming east southeast around 5 mph in the afternoon.
Tuesday Night
Clear, with a low around 63. East southeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 96. Calm wind becoming east southeast around 5 mph in the afternoon.
Wednesday Night
Clear, with a low around 67. East wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 97. Light and variable wind becoming east 5 to 10 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 68.
Friday
Sunny, with a high near 96.
Friday Night
Mostly clear, with a low around 68.
Saturday
Sunny, with a high near 96.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lockhart TX
 29.88°N 97.68°W (Elev. 525 ft)
Last Update:
8:38 am CDT Sep 7, 2025
Forecast Valid:
9am CDT Sep 7, 2025-6pm CDT Sep 13, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

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