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

79°F

26°C

Humidity 39%
Wind Speed Calm
Barometer 29.93 in (1012.9 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 4 Nov 2:56 pm CST
Extended Forecast for

3 Miles WSW Kyle TX

  • This Afternoon

    This Afternoon: Sunny, with a high near 77. Calm wind.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 50. Calm wind.

    Low: 50 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 81. Calm wind becoming south around 5 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54. Light and variable wind becoming north 10 to 15 mph after midnight. Winds could gust as high as 25 mph.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 73. North wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51. North wind 5 to 10 mph.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers after noon. Mostly cloudy, with a high near 69. North northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 69 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 50. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers. Mostly cloudy, with a high near 65. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 65 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 77. Calm wind.
Tonight
Clear, with a low around 50. Calm wind.
Thursday
Sunny, with a high near 81. Calm wind becoming south around 5 mph.
Thursday Night
Partly cloudy, with a low around 54. Light and variable wind becoming north 10 to 15 mph after midnight. Winds could gust as high as 25 mph.
Friday
Sunny, with a high near 73. North wind 10 to 15 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 51. North wind 5 to 10 mph.
Saturday
A 30 percent chance of showers after noon. Mostly cloudy, with a high near 69. North northeast wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 50. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 65. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 47.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 67.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Kyle TX
 29.97°N 97.92°W (Elev. 650 ft)
Last Update:
1:48 pm CST Nov 4, 2026
Forecast Valid:
3pm CST Nov 4, 2026-6pm CST Nov 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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