Current conditions at
San Marcos, San Marcos Municipal Airport (KHYI)
Lat: 29.89°NLon: 97.86°WElev: 597ft.
Overcast
76°F
24°C
| Humidity | 91% |
| Wind Speed | SE 13 mph |
| Barometer | 29.76 in (1007.2 mb) |
| Dewpoint | 73°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 76°F (24°C) |
| Last update | 3 Apr 11:56 pm CDT |
Extended Forecast for
San Marcos TX
Overnight
Low: 70 °F
Cloudy
Friday
High: 86 °F
Severe
ThunderstormsFriday Night
Low: 62 °F
Severe
ThunderstormsSaturday
High: 75 °F
Chance
T-storms then
Chance
ShowersSaturday Night
Low: 42 °F
Mostly Cloudy
Sunday
High: 63 °F
Mostly Sunny
Sunday Night
Low: 38 °F
Mostly Clear
Monday
High: 73 °F
Sunny
Monday Night
Low: 44 °F
Clear
Detailed Forecast
Overnight
Cloudy, with a low around 70. East southeast wind 10 to 15 mph.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Some of the storms could be severe. Cloudy, then gradually becoming mostly sunny, with a high near 86. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Friday Night
Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Some of the storms could be severe. Low around 62. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 75. North northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 42. North northwest wind around 20 mph, with gusts as high as 40 mph.
Sunday
Mostly sunny, with a high near 63. North northwest wind around 15 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 38. North wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 73. Northwest wind around 5 mph.
Monday Night
Clear, with a low around 44. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Clear, with a low around 49.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 85.
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)
11:42 pm CDT Apr 3, 2025
12am CDT Apr 4, 2025-6pm CDT Apr 10, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
