If your face or skin is weather-beaten, it is rough with deep lines because you have spent a lot of time outside in bad weather. a stout man with a ruddy, weather-beaten face. = weathered
Something that is weather-beaten is rough and slightly damaged after being outside for a long time. They would look out through the cracks of their weather-beaten door. = weathered. weather-beaten buildings, skin, clothing etc look old and damaged because they have been out in bad weather