Climate almanac
Washington
Iowa, United States · 41.30°, -91.69°
What is the weather like in Washington in August?
In August, Washington is typically 84°F (29°C) during the day and 65°F (18°C) at night. The month brings about 3.0 in (77 mm) of precipitation in total.
- Average high84°F (29°C)
- Average low65°F (18°C)
- Precipitation3.0 in (77 mm)
- Clear or mostly clear days13
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)