Climate almanac
Mattoon
Illinois, United States · 39.48°, -88.37°
What is the weather like in Mattoon in October?
In October, Mattoon is typically 68°F (20°C) during the day and 49°F (9°C) at night. The month brings about 3.6 in (90 mm) of precipitation in total.
- Average high68°F (20°C)
- Average low49°F (9°C)
- Precipitation3.6 in (90 mm)
- Clear or mostly clear days14
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)