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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
午後から晴れるらしいよ。
It seems it'll clear up in the afternoon.
三日ぶりにやっと空が晴れてきたね。
The sky has finally cleared up after three days.
明日は晴れればいいのに。
I wish it would be sunny tomorrow.