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.

Mostly Cloudy

32°C

90°F

Humidity 62%
Wind Speed SW 17 km/h
Barometer 1016.7 mb (30.05 in)
Dewpoint 24°C (75°F)
Visibility 16 km
Heat Index38°C (101°F)
Last update 10 Sep 10:56 am CDT
Extended Forecast for

3 Miles NE Kyle TX

  • Today

    Today: Mostly sunny, with a high near 36. Heat index values as high as 40. South southeast wind around 10 km/h.

    High: 36 °C

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 24. Southeast wind 10 to 15 km/h.

    Low: 24 °C

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 37. Heat index values as high as 41. South wind 10 to 15 km/h.

    High: 37 °C

    Hot

  • Friday Night

    Friday Night: Partly cloudy, with a low around 24. South wind 10 to 15 km/h.

    Low: 24 °C

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 38. South wind 10 to 15 km/h.

    High: 38 °C

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 24. South wind 15 to 20 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 35 km/h.

    Low: 24 °C

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 37. South southeast wind 10 to 20 km/h, with gusts as high as 35 km/h.

    High: 37 °C

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 24. Southeast wind 10 to 20 km/h, with gusts as high as 35 km/h.

    Low: 24 °C

    Partly Cloudy

  • Monday

    Monday: Mostly sunny and hot, with a high near 37. South southeast wind 10 to 20 km/h, with gusts as high as 35 km/h.

    High: 37 °C

    Hot

Detailed Forecast

Today
Mostly sunny, with a high near 36. Heat index values as high as 40. South southeast wind around 10 km/h.
Tonight
Partly cloudy, with a low around 24. Southeast wind 10 to 15 km/h.
Friday
Mostly sunny and hot, with a high near 37. Heat index values as high as 41. South wind 10 to 15 km/h.
Friday Night
Partly cloudy, with a low around 24. South wind 10 to 15 km/h.
Saturday
Mostly sunny and hot, with a high near 38. South wind 10 to 15 km/h.
Saturday Night
Mostly clear, with a low around 24. South wind 15 to 20 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 35 km/h.
Sunday
Mostly sunny and hot, with a high near 37. South southeast wind 10 to 20 km/h, with gusts as high as 35 km/h.
Sunday Night
Partly cloudy, with a low around 24. Southeast wind 10 to 20 km/h, with gusts as high as 35 km/h.
Monday
Mostly sunny and hot, with a high near 37. South southeast wind 10 to 20 km/h, with gusts as high as 35 km/h.
Monday Night
Mostly clear, with a low around 24.
Tuesday
Mostly sunny and hot, with a high near 37.
Tuesday Night
Mostly clear, with a low around 23.
Wednesday
Mostly sunny, with a high near 36.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Kyle TX
 30.02°N 97.84°W (Elev. 702 m)
Last Update:
6:42 am CDT Sep 10, 2026
Forecast Valid:
11am CDT Sep 10, 2026-6pm CDT Sep 16, 2026
 
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Additional Resources

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