Climate almanac
Harwich
Massachusetts, United States · 41.69°, -70.08°
What is the weather like in Harwich in August?
In August, Harwich is typically 71°F (22°C) during the day and 68°F (20°C) at night. The month brings about 2.7 in (69 mm) of precipitation in total.
- Average high71°F (22°C)
- Average low68°F (20°C)
- Precipitation2.7 in (69 mm)
- Clear or mostly clear days13
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)