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

54°F

12°C

Humidity 87%
Wind Speed N 10 mph
Barometer 30.07 in (1018.0 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 2 May 12:56 am CDT
Extended Forecast for

Prairie Lea TX

  • Overnight

    Overnight: Partly cloudy, with a low around 51. North wind around 10 mph, with gusts as high as 20 mph.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 73. North northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 50. Northeast wind around 5 mph becoming calm in the evening.

    Low: 50 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 79. Calm wind becoming south around 5 mph in the afternoon.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57. South wind around 5 mph.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 84. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 84 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 67. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 67 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 88. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 88 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 73. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 73 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 51. North wind around 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 73. North northeast wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
Clear, with a low around 50. Northeast wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 79. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 57. South wind around 5 mph.
Monday
Mostly sunny, with a high near 84. South wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 67. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 88. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 73. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 89.
Wednesday Night
Mostly cloudy, with a low around 61.
Thursday
A 20 percent chance of showers. Mostly cloudy, with a high near 76.
Thursday Night
Mostly cloudy, with a low around 57.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Prairie Lea TX
 29.72°N 97.73°W (Elev. 459 ft)
Last Update:
1:24 am CDT May 2, 2026
Forecast Valid:
1am CDT May 2, 2026-6pm CDT May 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation