Climate almanac
Marengo
Illinois, United States · 42.25°, -88.61°
What is the weather like in Marengo in October?
In October, Marengo is typically 63°F (17°C) during the day and 46°F (8°C) at night. The month brings about 3.7 in (93 mm) of precipitation in total. Snowfall averages about 0.7 in (17 mm) over the month.
- Average high63°F (17°C)
- Average low46°F (8°C)
- Precipitation3.7 in (93 mm)
- Clear or mostly clear days11
- Snowfall0.7 in (17 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)