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

80°F

27°C

Humidity 85%
Wind Speed S 16 mph
Barometer 29.90 in (1011.5 mb)
Dewpoint 75°F (24°C)
Visibility 9.00 mi
Heat Index85°F (29°C)
Last update 19 May 2:56 am CDT
Extended Forecast for

Kyle TX

  • Overnight

    Overnight: Mostly cloudy, with a low around 77. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 90. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 90 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 10pm, then showers and possibly a thunderstorm between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Low around 72. Southeast wind 5 to 15 mph becoming north northeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 72 °F

    T-storms then
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 84. East wind 5 to 10 mph becoming north in the morning. Chance of precipitation is 60%.

    High: 84 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 71. East wind around 5 mph. Chance of precipitation is 80%.

    Low: 71 °F

    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 81. South wind around 5 mph. Chance of precipitation is 90%.

    High: 81 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. South wind around 5 mph. Chance of precipitation is 70%.

    Low: 70 °F

    Showers
    Likely

  • Friday

    Friday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 84. South wind around 5 mph. Chance of precipitation is 60%.

    High: 84 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. South southeast wind around 5 mph. Chance of precipitation is 60%.

    Low: 70 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 77. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 90. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Showers and thunderstorms likely before 10pm, then showers and possibly a thunderstorm between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Low around 72. Southeast wind 5 to 15 mph becoming north northeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 84. East wind 5 to 10 mph becoming north in the morning. Chance of precipitation is 60%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 71. East wind around 5 mph. Chance of precipitation is 80%.
Thursday
Showers and possibly a thunderstorm. High near 81. South wind around 5 mph. Chance of precipitation is 90%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. South wind around 5 mph. Chance of precipitation is 70%.
Friday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 84. South wind around 5 mph. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. South southeast wind around 5 mph. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 81. Chance of precipitation is 80%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Chance of precipitation is 70%.
Sunday
Showers and thunderstorms likely. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Memorial Day
Showers and thunderstorms likely. Partly sunny, with a high near 82. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Kyle TX
 29.99°N 97.89°W (Elev. 791 ft)
Last Update:
2:44 am CDT May 19, 2026
Forecast Valid:
3am CDT May 19, 2026-6pm CDT May 25, 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