Climate almanac
South Portland
Maine, United States · 43.64°, -70.24°
What is the weather like in South Portland in March?
In March, South Portland is typically 41°F (5°C) during the day and 30°F (-1°C) at night. The month brings about 4.4 in (112 mm) of precipitation in total. Snowfall averages about 10 in (255 mm) over the month.
- Average high41°F (5°C)
- Average low30°F (-1°C)
- Precipitation4.4 in (112 mm)
- Clear or mostly clear days10
- Snowfall10 in (255 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)