Climate almanac
Forest Grove
Oregon, United States · 45.52°, -123.11°
What is the weather like in Forest Grove in August?
In August, Forest Grove is typically 85°F (29°C) during the day and 59°F (15°C) at night. The month brings about 0.3 in (9 mm) of precipitation in total.
- Average high85°F (29°C)
- Average low59°F (15°C)
- Precipitation0.3 in (9 mm)
- Clear or mostly clear days19
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)