Nighttime and Sunday specialty programs feature classical music, adult standards, and Roman Catholic talk and teaching shows.
In the 1970s, Archbishop John F. Whealon decided to start a radio station as a way to bring the Gospel to a wider audience through a format of inspiring messages and pleasant music.
In 2009, the WJMJ studios were moved to Prospect, Connecticut, which also houses the Office of Radio and Television of the Archdiocese of Hartford.
In 2018, WJMJ began broadcasting from a new tower at 1,430 feet (440 meters) in height above average terrain (HAAT).
On Sunday, June 1, 2008, WJMJ began airing local Catholic programming, as well as material from the EWTN network.