Current conditions at
San Marcos, San Marcos Municipal Airport (KHYI)
Lat: 29.89°NLon: 97.86°WElev: 597ft.
Overcast
73°F
23°C
| Humidity | 96% |
| Wind Speed | S 12 mph |
| Barometer | 29.62 in (1002.1 mb) |
| Dewpoint | 72°F (22°C) |
| Visibility | 10.00 mi |
| Last update | 3 Apr 5:56 am CDT |
Extended Forecast for
San Marcos TX
Today
High: 91 °F
Decreasing
CloudsTonight
Low: 71 °F
Increasing
CloudsFriday
High: 87 °F
Severe
Thunderstorms
and Patchy
FogFriday Night
Low: 63 °F
Chance
T-storms then
ShowersSaturday
High: 75 °F
Chance
ShowersSaturday Night
Low: 44 °F
Partly Cloudy
Sunday
High: 64 °F
Mostly Sunny
Sunday Night
Low: 42 °F
Mostly Clear
Monday
High: 72 °F
Sunny
Detailed Forecast
Today
Cloudy, then gradually becoming mostly sunny, with a high near 91. South wind around 5 mph.
Tonight
Increasing clouds, with a low around 71. East southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Friday
A 50 percent chance of showers and thunderstorms. Some of the storms could be severe. Patchy fog between 8am and 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 87. South wind 10 to 15 mph, with gusts as high as 25 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 63. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Saturday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Partly sunny, with a high near 75. North northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 44. North northwest wind around 15 mph, with gusts as high as 30 mph.
Sunday
Mostly sunny, with a high near 64. North wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 42. North wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 72. North northwest wind 5 to 10 mph.
Monday Night
Clear, with a low around 45.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Sunny, with a high near 80.
Additional Forecasts and Information
ABOUT THIS FORECAST
Point Forecast:
San Marcos TX
29.88°N 97.94°W (Elev. 577 ft)
29.88°N 97.94°W (Elev. 577 ft)
2:42 am CDT Apr 3, 2025
6am CDT Apr 3, 2025-6pm CDT Apr 9, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
