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

62°F

17°C

Humidity 58%
Wind Speed N 17 G 21 mph
Barometer 30.25 in (1023.9 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 5 Apr 4:56 pm CDT
Extended Forecast for

6 Miles SE Lockhart TX

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Cloudy, with a high near 69. North northeast wind around 15 mph, with gusts as high as 20 mph.

    High: 69 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 10 percent chance of showers before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 49. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 49 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 73. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 73 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 48. East northeast wind around 5 mph becoming calm in the evening.

    Low: 48 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 75. Calm wind becoming east around 5 mph in the morning.

    High: 75 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 54. East wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 77. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 77 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 60. East southeast wind around 5 mph becoming calm after midnight.

    Low: 60 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 83. Light east southeast wind becoming southeast 5 to 10 mph in the morning.

    High: 83 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Cloudy, with a high near 69. North northeast wind around 15 mph, with gusts as high as 20 mph.
Tonight
A 10 percent chance of showers before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 49. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 73. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 48. East northeast wind around 5 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 75. Calm wind becoming east around 5 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 54. East wind around 5 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 77. Calm wind becoming east southeast around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 60. East southeast wind around 5 mph becoming calm after midnight.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 83. Light east southeast wind becoming southeast 5 to 10 mph in the morning.
Thursday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 20%.
Friday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83.
Friday Night
Mostly cloudy, with a low around 65.
Saturday
A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 83.
Saturday Night
A 30 percent chance of showers and thunderstorms. Cloudy, with a low around 68.
Sunday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Lockhart TX
 29.82°N 97.6°W (Elev. 404 ft)
Last Update:
4:44 pm CDT Apr 5, 2026
Forecast Valid:
5pm CDT Apr 5, 2026-6pm CDT Apr 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation