Climate almanac
San Marcos
Texas, United States · 29.88°, -97.94°
What is the weather like in San Marcos in October?
In October, San Marcos is typically 83°F (28°C) during the day and 62°F (16°C) at night. The month brings about 2.7 in (69 mm) of precipitation in total.
- Average high83°F (28°C)
- Average low62°F (16°C)
- Precipitation2.7 in (69 mm)
- Clear or mostly clear days15
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)