Tinley Park is a city of approximately 57,100 people in Illinois, United States. Located in the Central Time Zone at 41.6°N latitude.
In 2025, Tinley Park recorded an average annual temperature of 51°F — about 1.0°F below the 30-year normal of 52°F. The hottest day reached 94°F in June; the coldest was -8°F in February. Total precipitation was 37 inches (wetter than usual). The wettest month was July.
View current conditions and forecast for Tinley Park · More cities in Illinois