Climate almanac
Grafton
Wisconsin, United States · 43.32°, -87.95°
What is the weather like in Grafton in August?
In August, Grafton is typically 77°F (25°C) during the day and 65°F (18°C) at night. The month brings about 3.2 in (81 mm) of precipitation in total.
- Average high77°F (25°C)
- Average low65°F (18°C)
- Precipitation3.2 in (81 mm)
- Clear or mostly clear days12
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)