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

46°F

8°C

Humidity 73%
Wind Speed S 5 mph
Barometer 30.20 in (1022.4 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 16 Dec 8:56 am CST
Extended Forecast for

Kyle TX

  • Today

    Today: Mostly cloudy, with a high near 60. South wind 5 to 10 mph.

    High: 60 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of showers, with thunderstorms also possible after 3am. Patchy fog after 2am. Otherwise, cloudy, with a low around 53. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 53 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms before noon. Patchy fog before noon. Otherwise, cloudy, with a high near 68. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 68 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 60. South wind 5 to 10 mph.

    Low: 60 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 77. South southwest wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42. North northeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 67. North northeast wind 5 to 10 mph becoming south in the afternoon.

    High: 67 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 49. South wind 5 to 10 mph.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 76. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 60. South wind 5 to 10 mph.
Tonight
A chance of showers, with thunderstorms also possible after 3am. Patchy fog after 2am. Otherwise, cloudy, with a low around 53. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Wednesday
A 20 percent chance of showers and thunderstorms before noon. Patchy fog before noon. Otherwise, cloudy, with a high near 68. Calm wind becoming southeast around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 60. South wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 77. South southwest wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
Mostly clear, with a low around 42. North northeast wind 5 to 15 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 67. North northeast wind 5 to 10 mph becoming south in the afternoon.
Friday Night
Mostly clear, with a low around 49. South wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 76. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Kyle TX
 30.02°N 97.89°W (Elev. 797 ft)
Last Update:
8:54 am CST Dec 16, 2025
Forecast Valid:
9am CST Dec 16, 2025-6pm CST Dec 22, 2025
 
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