Climate almanac
Mendota
Illinois, United States · 41.55°, -89.12°
What is the weather like in Mendota in October?
In October, Mendota is typically 66°F (19°C) during the day and 47°F (8°C) at night. The month brings about 3.9 in (99 mm) of precipitation in total. Snowfall averages about 0.8 in (20 mm) over the month.
- Average high66°F (19°C)
- Average low47°F (8°C)
- Precipitation3.9 in (99 mm)
- Clear or mostly clear days12
- Snowfall0.8 in (20 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)