Forest Grove is a city of approximately 24,500 people in Oregon, United States. Located in the Pacific Time Zone at 45.5°N latitude.
In 2025, Forest Grove recorded an average annual temperature of 53°F — right at the 30-year normal of 53°F. The hottest day reached 96°F in August; the coldest was 22°F in February. Total precipitation was 44 inches (near normal). The wettest month was December.
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