McLean Day is a community festival sponsored by the McLean Community Center. It is held on the third Saturday in May at Lewinsville Park. McLean Rotary has had a food concession at McLean Day for 40 years and for many years was the only food vendor. Currently the Rotary booth sells pizza, hot dogs, chips, water, and soda. Proceeds go to fund school and local charitable organizations. Sales net over $2,000 each year.
The committee chair is Bob Jansen. Committee members include Michael Arietti, Gene Durman, John Rosenbaum, Bob Rosenbaum, Dale Lazar, Glenn Yarborough, and Jan Auerbach.