Wegmans grocery stores will be open on Thanksgiving Day 2015 (Thursday November 26). But they will be closing early - at 4 pm (see above). This Thanksgiving Day opening schedule is noted on the Wegmans frequently asked questions page.
Note that stores in Massachusetts may have different hours on Thanksgiving – check with your local Wegmans to confirm.
Wegmans will be back open starting at 7 am on the Friday after Thanksgiving.
Wegmans is offering complete Thanksgiving dinners to-go in 2015. See the Wegmans Thanksgiving dinner details here.