Climate almanac
Lake Oswego
Oregon, United States · 45.42°, -122.67°
What is the weather like in Lake Oswego in August?
In August, Lake Oswego is typically 86°F (30°C) during the day and 58°F (15°C) at night. The month brings about 0.4 in (10 mm) of precipitation in total.
- Average high86°F (30°C)
- Average low58°F (15°C)
- Precipitation0.4 in (10 mm)
- Clear or mostly clear days19
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)