1. To change a color, etc., because of the effects of the sun, wind, rain, etc. that develops over a long period of time: The surface of the porch was weathering for a long time.
2. To deal with or to experience something dangerous or unpleasant without being damaged or harmed very much: The couple had to weather some difficult adjustments during the beginning of their marriage.

The travelers weathered some very stormy days when they were hiking in the mountains.

Descriptive of a person or things that are stained or which are worn out by exposure to weather: The farmer had a tanned and a weathered face as a result of working so often out in the sun.