Naperville is a city in DuPage and Will counties in the U.S. state of Illinois. It is a suburb of Chicago. Naperville was ranked the wealthiest city in the Midwest and the sixth wealthiest in the nation with a population of 143,000. The city is located 28 miles west of Chicago on the Des Plaines River. Naperville was founded in 1831 by Captain Joseph Naper, who served in the Naperville militia and is considered the city's founder.
Average temperatures during the day in Naperville.