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.

Mostly Cloudy

79°F

26°C

Humidity 44%
Wind Speed N 7 mph
Barometer 30.09 in (1018.6 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 10 May 12:56 pm CDT
Extended Forecast for

Lockhart TX

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 82. North wind around 15 mph, with gusts as high as 25 mph.

    High: 82 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 59. North northeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 59 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 85. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 85 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54. North wind 5 to 10 mph becoming light north northeast in the evening.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 91. Calm wind becoming west around 5 mph in the afternoon.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 62. South wind 5 to 10 mph.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 100. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 100 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 102. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 102 °F

    Hot

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 82. North wind around 15 mph, with gusts as high as 25 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 59. North northeast wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 85. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 54. North wind 5 to 10 mph becoming light north northeast in the evening.
Monday
Sunny, with a high near 91. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 62. South wind 5 to 10 mph.
Tuesday
Sunny and hot, with a high near 100. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 68. South wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny and hot, with a high near 102. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 69.
Thursday
Mostly sunny and hot, with a high near 101.
Thursday Night
Mostly cloudy, with a low around 72.
Friday
Partly sunny, with a high near 98.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lockhart TX
 29.88°N 97.68°W (Elev. 525 ft)
Last Update:
12:51 pm CDT May 10, 2025
Forecast Valid:
1pm CDT May 10, 2025-6pm CDT May 16, 2025
 
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Additional Resources

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