Climate almanac
Portsmouth
Rhode Island, United States · 41.60°, -71.25°
What is the weather like in Portsmouth in March?
In March, Portsmouth is typically 44°F (7°C) during the day and 36°F (2°C) at night. The month brings about 4.8 in (122 mm) of precipitation in total. Snowfall averages about 5.2 in (133 mm) over the month.
- Average high44°F (7°C)
- Average low36°F (2°C)
- Precipitation4.8 in (122 mm)
- Clear or mostly clear days11
- Snowfall5.2 in (133 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)