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 G 21 mph |
| Barometer | 29.92 in (1012.1 mb) |
| Dewpoint | 75°F (24°C) |
| Visibility | 9.00 mi |
| Heat Index | 85°F (29°C) |
| Last update | 19 May 1:56 am CDT |
Extended Forecast for
3 Miles WSW Kyle TX
Overnight
Low: 78 °F
Mostly Cloudy
Tuesday
High: 91 °F
Chance
T-stormsTuesday Night
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
Likely
Detailed Forecast
Overnight
Mostly cloudy, with a low around 78. 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 91. South southeast wind 10 to 15 mph, with gusts as high as 20 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 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%.
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. 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
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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)
2:44 am CDT May 19, 2026
2am CDT May 19, 2026-6pm CDT May 25, 2026
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