Climate almanac
Portland
Maine, United States · 43.66°, -70.26°
What is the weather like in Portland in October?
In October, Portland is typically 58°F (15°C) during the day and 50°F (10°C) at night. The month brings about 5.6 in (143 mm) of precipitation in total.
- Average high58°F (15°C)
- Average low50°F (10°C)
- Precipitation5.6 in (143 mm)
- Clear or mostly clear days10
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)