Climate almanac
Washington
Indiana, United States · 38.66°, -87.17°
What is the weather like in Washington in August?
In August, Washington is typically 85°F (29°C) during the day and 68°F (20°C) at night. The month brings about 3.5 in (89 mm) of precipitation in total.
- Average high85°F (29°C)
- Average low68°F (20°C)
- Precipitation3.5 in (89 mm)
- Clear or mostly clear days12
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)