Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair

75°F

24°C

Humidity 88%
Wind Speed NW 3 mph
Barometer 30.15 in (1020.2 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 18 Sep 1:56 am CDT
Extended Forecast for

Kyle TX

  • Overnight

    Overnight: Mostly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 97. Heat index values as high as 102. Calm wind becoming east southeast around 5 mph in the morning.

    High: 97 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 71. East southeast wind around 5 mph becoming calm  after midnight.

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 97. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 97 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 72. Southeast wind around 5 mph.

    Low: 72 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 98. Calm wind becoming south around 5 mph in the afternoon.

    High: 98 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 74. Southeast wind around 5 mph.

    Low: 74 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 98. Calm wind becoming east southeast around 5 mph.

    High: 98 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 74. East southeast wind around 5 mph becoming calm  in the evening.

    Low: 74 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Mostly cloudy, with a low around 73. Calm wind.
Friday
Mostly sunny, with a high near 97. Heat index values as high as 102. Calm wind becoming east southeast around 5 mph in the morning.
Friday Night
Mostly clear, with a low around 71. East southeast wind around 5 mph becoming calm after midnight.
Saturday
Sunny, with a high near 97. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 72. Southeast wind around 5 mph.
Sunday
Mostly sunny, with a high near 98. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 74. Southeast wind around 5 mph.
Monday
Mostly sunny, with a high near 98. Calm wind becoming east southeast around 5 mph.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74. East southeast wind around 5 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 97.
Tuesday Night
Partly cloudy, with a low around 74.
Wednesday
Mostly sunny, with a high near 97.
Wednesday Night
Partly cloudy, with a low around 74.
Thursday
Mostly sunny, with a high near 96.
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ABOUT THIS FORECAST

 
Point Forecast:
Kyle TX
 29.99°N 97.89°W (Elev. 791 ft)
2:44 am CDT Sep 18, 2026
2am CDT Sep 18, 2026-6pm CDT Sep 24, 2026
 
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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