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

74°F

23°C

Humidity 85%
Wind Speed S 17 mph
Barometer 29.94 in (1013.0 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 16 May 12:56 am CDT
Extended Forecast for

3 Miles WSW Kyle TX

  • Overnight

    Overnight: Mostly cloudy, with a low around 70. South wind around 10 mph.

    Low: 70 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 91. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 91 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 76. South southeast wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 76 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 91. South southeast wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 91 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 78. South southeast wind around 15 mph, with gusts as high as 30 mph.

    Low: 78 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 92. South southeast wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 92 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 79. South southeast wind around 15 mph, with gusts as high as 30 mph.

    Low: 79 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 92. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 92 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 74. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 74 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly cloudy, with a low around 70. South wind around 10 mph.
Saturday
Mostly sunny, with a high near 91. South wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Increasing clouds, with a low around 76. South southeast wind 10 to 15 mph, with gusts as high as 30 mph.
Sunday
Mostly cloudy, with a high near 91. South southeast wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 78. South southeast wind around 15 mph, with gusts as high as 30 mph.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 92. South southeast wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 79. South southeast wind around 15 mph, with gusts as high as 30 mph.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 92. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 74. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Kyle TX
 29.97°N 97.92°W (Elev. 650 ft)
Last Update:
1:24 am CDT May 16, 2026
Forecast Valid:
1am CDT May 16, 2026-6pm CDT May 22, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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