Climate almanac
Ontario
Oregon, United States · 44.03°, -116.96°
What is the weather like in Ontario in March?
In March, Ontario is typically 59°F (15°C) during the day and 38°F (3°C) at night. The month brings about 1.3 in (34 mm) of precipitation in total. Snowfall averages about 0.5 in (13 mm) over the month.
- Average high59°F (15°C)
- Average low38°F (3°C)
- Precipitation1.3 in (34 mm)
- Clear or mostly clear days8
- Snowfall0.5 in (13 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)