Update 14/7/19
Filming took place and included 1960’s cars, Caitriona Balfe was in her 1960s bob wig, driving a classic 1960s vehicle. Interiors in Thomas Coats Memorial Baptist Church and is rumored that the production made a large donation as the church is in fundraising to stay open, and possible renovations. Let’s hope they can keep the church open so if you plan for season 5 local visits, you can see it. If you wish to help out, see link below.
This looks to be another flashback scene. In Fiery Cross, book 5 of the Outlander series books, Claire Fraser has a waking scene with the ghost of Frank from her dreams. This looks to be another series only scene. 
Filming took place in the High Street/Wellmeadow Street area, between Stories Street to Walker Street.
100 Days to Save Coats Memorial Fund
An Outlander Muse 