We did the Wonderland Trail in low-cut lightweight hiking shoes a few years ago in Aug (Merrell Mesa Ventilator II, called something else now). At the time they were pretty lightweight, perhaps not any more.
Anyway, if you are used to the Adirondacks then the Wonderland Trail should be a piece of cake. Before the floods it had well-graded wide trails, not particularly steep or rocky, no boulder hopping or slab climbing, nothing like the steep muddy/rocky bushwhacks of the Adirondacks. I imagine it's pretty much the same again.