With a population of around 18,300, Franklin Park sits in Illinois, United States. The city operates in the Central Time Zone.
In 2025, Franklin Park recorded an average annual temperature of 51°F — about 1.3°F below the 30-year normal of 52°F. The hottest day reached 95°F in June; the coldest was -9°F in February. Total precipitation was 35 inches (near normal). The wettest month was June.
View current conditions and forecast for Franklin Park · More cities in Illinois