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.

Overcast

68°F

20°C

Humidity 68%
Wind Speed N 8 mph
Barometer 30.10 in (1018.8 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 7 Nov 5:56 pm CST
Extended Forecast for

2 Miles SW Lockhart TX

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely after 9pm. Cloudy, with a low around 56. North northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers. High near 64. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 64 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely. Mostly cloudy, with a low around 54. North northeast wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Showers
    Likely

  • Monday

    Monday: Showers, mainly before noon. High near 65. North northeast wind around 5 mph becoming calm in the morning. Chance of precipitation is 80%.

    High: 65 °F

    Showers then
    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 70. Calm wind.

    High: 70 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Slight Chance
    Showers

  • Veterans Day

    Veterans Day: A 20 percent chance of showers. Mostly cloudy, with a high near 76. Calm wind.

    High: 76 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 54. Light and variable wind becoming north 5 to 10 mph after midnight.

    Low: 54 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers likely after 9pm. Cloudy, with a low around 56. North northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers. High near 64. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Showers likely. Mostly cloudy, with a low around 54. North northeast wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Showers, mainly before noon. High near 65. North northeast wind around 5 mph becoming calm in the morning. Chance of precipitation is 80%.
Monday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 53. Calm wind.
Tuesday
A 30 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 70. Calm wind.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 56. Calm wind.
Veterans Day
A 20 percent chance of showers. Mostly cloudy, with a high near 76. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 54. Light and variable wind becoming north 5 to 10 mph after midnight.
Thursday
Sunny, with a high near 75.
Thursday Night
Clear, with a low around 46.
Friday
Sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 45.
Saturday
Sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Lockhart TX
 29.84°N 97.7°W (Elev. 554 ft)
Last Update:
5:42 pm CST Nov 7, 2026
Forecast Valid:
6pm CST Nov 7, 2026-6pm CST Nov 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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