Climate almanac
Portland
Tennessee, United States · 36.58°, -86.52°
What is the weather like in Portland in May?
In May, Portland is typically 79°F (26°C) during the day and 61°F (16°C) at night. The month brings about 5.4 in (137 mm) of precipitation in total.
- Average high79°F (26°C)
- Average low61°F (16°C)
- Precipitation5.4 in (137 mm)
- Clear or mostly clear days9
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)