Climate almanac
Lewiston
Idaho, United States · 46.42°, -117.02°
What is the weather like in Lewiston in August?
In August, Lewiston is typically 89°F (32°C) during the day and 62°F (16°C) at night. The month brings about 0.5 in (13 mm) of precipitation in total.
- Average high89°F (32°C)
- Average low62°F (16°C)
- Precipitation0.5 in (13 mm)
- Clear or mostly clear days21
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)