Climate almanac
Joliet
Illinois, United States · 41.53°, -88.08°
What is the weather like in Joliet in October?
In October, Joliet is typically 65°F (18°C) during the day and 47°F (9°C) at night. The month brings about 4.3 in (108 mm) of precipitation in total. Snowfall averages about 0.5 in (12 mm) over the month.
- Average high65°F (18°C)
- Average low47°F (9°C)
- Precipitation4.3 in (108 mm)
- Clear or mostly clear days11
- Snowfall0.5 in (12 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)