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.

Overcast

70°F

21°C

Humidity 93%
Wind Speed S 8 mph
Barometer 29.90 in (1011.8 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 23 Apr 2:56 am CDT
Extended Forecast for

Kyle TX

  • Overnight

    Overnight: Cloudy, with a low around 66. South wind around 5 mph.

    Low: 66 °F

    Cloudy

  • Thursday

    Thursday: Patchy fog between 8am and 9am. Otherwise, mostly cloudy, with a high near 83. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 83 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 69. South southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 86. South southwest wind around 10 mph.

    High: 86 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 69. South wind around 5 mph.

    Low: 69 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 89. South wind 5 to 10 mph.

    High: 89 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 70. South southeast wind around 5 mph.

    Low: 70 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 90. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 90 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 71. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 71 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 66. South wind around 5 mph.
Thursday
Patchy fog between 8am and 9am. Otherwise, mostly cloudy, with a high near 83. South wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 69. South southeast wind around 10 mph, with gusts as high as 20 mph.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 86. South southwest wind around 10 mph.
Friday Night
Mostly cloudy, with a low around 69. South wind around 5 mph.
Saturday
Mostly cloudy, with a high near 89. South wind 5 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 70. South southeast wind around 5 mph.
Sunday
Mostly cloudy, with a high near 90. South wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 71. South wind around 10 mph, with gusts as high as 20 mph.
Monday
Partly sunny, with a high near 92.
Monday Night
Partly cloudy, with a low around 68.
Tuesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Wednesday
Partly sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Kyle TX
 29.99°N 97.89°W (Elev. 791 ft)
Last Update:
2:42 am CDT Apr 23, 2026
Forecast Valid:
3am CDT Apr 23, 2026-6pm CDT Apr 29, 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