new vs unweathered

new and unweathered both are adjectives.

Word	Noun	Adjective	Verb	Adverb
new	No	Yes	No	Yes
unweathered	No	Yes	No	No

new (adjective)	unweathered (adjective)
not of long duration; having just (or relatively recently) come into being or been made or acquired or discovered	not worn by exposure to the weather
unaffected by use or exposure
(of crops) harvested at an early stage of development; before complete maturity
lacking training or experience
original and of a kind not seen before
other than the former one(s); different
(often followed by `to') unfamiliar
having no previous example or precedent or parallel

new (adverb)	unweathered (adverb)
very recently