[ He falls into step just fine. ]

It'd depend on the circumstances behind the precipitation. If it's just light rainfall, I imagine it wouldn't be much of a drawback to contend with.

[ Time to start walking then...up ahead waiting for them, shrouded in the forest are two Phantom Wings. Using the fog as cover, they try to ambush the two right away. Albedo's caught off guard, bringing up his sword to slice at one after being hit with at least windy smack. ]