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.

A Few Clouds

95°F

35°C

Humidity 47%
Wind Speed SE 9 mph
Barometer 29.78 in (1007.5 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 16 Jun 5:56 pm CDT
Extended Forecast for

Lockhart TX

  • Tonight

    Tonight: Mostly clear, with a low around 75. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 93. Heat index values as high as 101. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 93 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 75. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 75 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 90. East wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 90 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72. East northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 72 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Juneteenth

    Juneteenth: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 82. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 82 °F

    Heavy Rain

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. East northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 74 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm. Cloudy, with a high near 84. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 84 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 72. East wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 72 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 75. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
A 20 percent chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 93. Heat index values as high as 101. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 75. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday
A slight chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 90. East wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72. East northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Juneteenth
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 82. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. East northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 84. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 72. East wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 89.
Friday Night
Partly cloudy, with a low around 72.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Saturday Night
Partly cloudy, with a low around 74.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Lockhart TX
 29.88°N 97.68°W (Elev. 525 ft)
Last Update:
5:50 pm CDT Jun 16, 2024
Forecast Valid:
6pm CDT Jun 16, 2024-6pm CDT Jun 23, 2024
 
Forecast Discussion
 
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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