晴れればいいなあ。

to clear up; to clear away; to be sunny; to stop raining; to refresh (e.g. spirits); to be cleared (e.g. of a suspicion); to be dispelled; to be banished

good; excellent; fine; nice; pleasant; agreeable; sufficient (can be used to turn down an offer); ready; prepared; profitable (e.g. deal, business offer, etc.); beneficial; OK

hey; say; look; used to get someone's attention or press one's point