Climate almanac
Peoria
Illinois, United States · 40.69°, -89.59°
What is the weather like in Peoria in October?
In October, Peoria is typically 67°F (19°C) during the day and 48°F (9°C) at night. The month brings about 3.8 in (98 mm) of precipitation in total. Snowfall averages about 0.7 in (18 mm) over the month.
- Average high67°F (19°C)
- Average low48°F (9°C)
- Precipitation3.8 in (98 mm)
- Clear or mostly clear days13
- Snowfall0.7 in (18 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)