Nashville is classically fickle during the winter. Snow last week and highs in the 70's today. Do you just keep wearing your "normal" winter attire minus gloves and scarves? I was in a store this weekend with someone wearing wool pants and boots on one side of me and flip flops and shorts on the other.
I know that I am not saying anything new when I suggest wearing layers. It's just usually a summer heat strategy. Instead of your layers of tanks and light sweaters, we are moving to camisoles, thin long sleeves and blazers. Even using light fashionable scarves can add some interest and warmth whent the temp fluxuates.
Either way, stay warm..or cool. Dry stay dry, I think we can all agree on that.