Climate almanac
Olney
Illinois, United States · 38.73°, -88.09°
What is the weather like in Olney in March?
In March, Olney is typically 58°F (15°C) during the day and 40°F (4°C) at night. The month brings about 5.1 in (131 mm) of precipitation in total. Snowfall averages about 0.5 in (14 mm) over the month.
- Average high58°F (15°C)
- Average low40°F (4°C)
- Precipitation5.1 in (131 mm)
- Clear or mostly clear days9
- Snowfall0.5 in (14 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)