The event is presented by the city Department of Arts, Culture and Tourism and the Department of Parks, Recreation and Trees.
From 4 to 8 p.m, there will be a number of free activities, including carousels and mini-car rides for children and holiday crafting. The lighting is expected at about 5:30 p.m.
Last year attendance estimates were around 5,000 for the annual event, according to the release.
In the case of extreme inclement weather, the tree lighting will be held Friday, December 7..
For more information, visit www.infonewhaven.com or call (203) 946-7172.