And having been to a cold-weather wedding myself wearing a tailored black coat and opaque tights by the way my advice would be to base your outfit around something that can either be warmed up (courtesy of thermals and tights underneath) or that's already tuned to freezing temperatures (faux fur)
3.2 Velasca (20% Off Selected Models) Velasca is a smaller Italian company that started producing mainly Blake Stitched Shoes
Heres what I steer clear of: Jeans, shorts, leggings, or athletic wear (yes, Ive seen people show up in denim, and it never feels right)
Remember that you're there to celebrate love and joy
If you choose a pattern, make sure its sophisticated rather than casual
Randyll and Dickon Tarly refuse to bend the knee and choose death, upon which Daenerys has them executed by dragonfire