Quote Originally Posted by Kilted Christian View Post
As a churchman with a fair amout of experience here, I would advise that this is semi formal, the equivalent of a suit and tie, definitely not tuxedo... wearing either Argyll, black or tweed, with a tie will suit no matter what the climate.
I would wear the Argyle as well, but I would go with a black or gray rather than your brown tweed. From my background, the brown is too casual/informal for a church service.