worn by long exposure to the atmosphere; weather-beaten
weathered rock
wear away or change the appearance or texture of (something) by long exposure to the atmosphere
his skin was weathered almost black by his long outdoor life
(of a ship) come safely through (a storm)
the sturdy boat had weathered the storm well
make (boards or tiles) overlap downwards to keep out rain
allow (a hawk) to spend a period perched in the open air
I would advise to weather her in her hood
this perch is small enough to be moved outside when the bird is weathering