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.

Fair

50°F

10°C

Humidity 57%
Wind Speed N 14 mph
Barometer 30.27 in (1024.7 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 4 Feb 3:56 am CST
Extended Forecast for

5 Miles NNE Prairie Lea TX

  • Today

    Today: Sunny, with a high near 66. North wind around 15 mph, with gusts as high as 25 mph.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 37. North wind 5 to 10 mph.

    Low: 37 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 68. North wind around 5 mph becoming west southwest in the afternoon.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 41. Calm wind becoming southwest around 5 mph in the evening.

    Low: 41 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 78. West wind around 5 mph.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 44. Calm wind.

    Low: 44 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 80. Calm wind becoming south around 5 mph in the afternoon.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 49. South southeast wind around 5 mph becoming calm after midnight.

    Low: 49 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 79. Light south southwest wind increasing to 5 to 10 mph in the morning.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 66. North wind around 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 37. North wind 5 to 10 mph.
Thursday
Sunny, with a high near 68. North wind around 5 mph becoming west southwest in the afternoon.
Thursday Night
Clear, with a low around 41. Calm wind becoming southwest around 5 mph in the evening.
Friday
Sunny, with a high near 78. West wind around 5 mph.
Friday Night
Clear, with a low around 44. Calm wind.
Saturday
Sunny, with a high near 80. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 49. South southeast wind around 5 mph becoming calm after midnight.
Sunday
Mostly sunny, with a high near 79. Light south southwest wind increasing to 5 to 10 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 52.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 78.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 55.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Prairie Lea TX
 29.77°N 97.67°W (Elev. 404 ft)
Last Update:
4:48 am CST Feb 4, 2026
Forecast Valid:
4am CST Feb 4, 2026-6pm CST Feb 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation