About Wilson, Allegheny County, PA's Climate & Weather History

Wilson is a city of approximately 7,600 people in Pennsylvania, United States. Located in the Eastern Time Zone at 40.3°N latitude.

In 2025, Wilson recorded an average annual temperature of 52°F — right at the 30-year normal of 52°F. The hottest day reached 93°F in June; the coldest was -14°F in January. Total precipitation was 47 inches (wetter than usual). The wettest month was May.