Climate almanac
Waterloo
Illinois, United States · 38.34°, -90.15°
What is the weather like in Waterloo in March?
In March, Waterloo is typically 60°F (16°C) during the day and 41°F (5°C) at night. The month brings about 4.9 in (123 mm) of precipitation in total. Snowfall averages about 0.5 in (13 mm) over the month.
- Average high60°F (16°C)
- Average low41°F (5°C)
- Precipitation4.9 in (123 mm)
- Clear or mostly clear days9
- Snowfall0.5 in (13 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)