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

89°F

32°C

Humidity 57%
Wind Speed E 8 mph
Barometer 30.13 in (1019.5 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 24 Sep 10:56 am CDT
Extended Forecast for

Kyle TX

  • Today

    Today: Partly sunny, with a high near 97. Heat index values as high as 102. East wind around 5 mph.

    High: 97 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 73. East wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 96. Calm wind becoming east around 5 mph in the afternoon.

    High: 96 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 71. East wind around 5 mph becoming calm after midnight.

    Low: 71 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 95. Calm wind becoming south southwest around 5 mph.

    High: 95 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 72. South wind around 5 mph.

    Low: 72 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 97. Calm wind becoming south southwest around 5 mph.

    High: 97 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 72. South southeast wind around 5 mph.

    Low: 72 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 96. South wind around 5 mph.

    High: 96 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 97. Heat index values as high as 102. East wind around 5 mph.
Tonight
Mostly cloudy, with a low around 73. East wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 96. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 71. East wind around 5 mph becoming calm after midnight.
Saturday
Partly sunny, with a high near 95. Calm wind becoming south southwest around 5 mph.
Saturday Night
Mostly cloudy, with a low around 72. South wind around 5 mph.
Sunday
Mostly sunny, with a high near 97. Calm wind becoming south southwest around 5 mph.
Sunday Night
Partly cloudy, with a low around 72. South southeast wind around 5 mph.
Monday
Mostly sunny, with a high near 96. South wind around 5 mph.
Monday Night
Partly cloudy, with a low around 73.
Tuesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 96.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Wednesday
A 50 percent chance of showers. Partly sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Kyle TX
 29.99°N 97.89°W (Elev. 791 ft)
Last Update:
6:42 am CDT Sep 24, 2026
Forecast Valid:
11am CDT Sep 24, 2026-6pm CDT Sep 30, 2026
 
Forecast Discussion
 
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Additional Resources

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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