Climate almanac
Olney
Illinois, United States · 38.73°, -88.09°
What is the weather like in Olney in October?
In October, Olney is typically 70°F (21°C) during the day and 50°F (10°C) at night. The month brings about 3.2 in (82 mm) of precipitation in total.
- Average high70°F (21°C)
- Average low50°F (10°C)
- Precipitation3.2 in (82 mm)
- Clear or mostly clear days15
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)