Current conditions at
San Marcos, San Marcos Municipal Airport (KHYI)
Lat: 29.89°NLon: 97.86°WElev: 597ft.
Fair
78°F
26°C
| Humidity | 82% |
| Wind Speed | S 13 mph |
| Barometer | 29.95 in (1013.2 mb) |
| Dewpoint | 72°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 19 May 7:56 am CDT |
Extended Forecast for
3 Miles WSW Kyle TX
Today
High: 91 °F
Chance
T-stormsTonight
Low: 73 °F
T-storms then
ShowersWednesday
High: 85 °F
Chance
Showers then
Showers
LikelyWednesday Night
Low: 72 °F
Showers
Thursday
High: 82 °F
Showers
Thursday Night
Low: 70 °F
Showers
LikelyFriday
High: 85 °F
Slight Chance
T-storms then
Showers
LikelyFriday Night
Low: 70 °F
Showers
LikelySaturday
High: 81 °F
Chance
Showers then
Showers
Detailed Forecast
Today
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Cloudy, then gradually becoming mostly sunny, with a high near 91. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Tonight
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 73. 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 85. East wind around 5 mph becoming north in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm. Low around 72. East wind around 5 mph becoming calm after midnight. Chance of precipitation is 80%.
Thursday
Showers and possibly a thunderstorm. High near 82. 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 becoming calm in the evening. 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 85. 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 becoming calm after midnight. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 81. Calm wind becoming east around 5 mph in the afternoon. 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 70.
Memorial Day
Showers and thunderstorms likely. Partly sunny, with a high near 83. Chance of precipitation is 60%.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles WSW Kyle TX
29.97°N 97.92°W (Elev. 650 ft)
29.97°N 97.92°W (Elev. 650 ft)
6:46 am CDT May 19, 2026
8am CDT May 19, 2026-6pm CDT May 25, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
