夕焼けは晴れ朝焼けは雨
ゆうやけははれあさやけはあめ
red sky at night, shepherd's delight; red sky in the morning, shepherd's warning
夕晴れ is read as ゆうばれ (yuubare) and means a clear evening.
ゆうばれ
yuubare
ゆうやけははれあさやけはあめ
red sky at night, shepherd's delight; red sky in the morning, shepherd's warning
あさやけはあめゆうやけははれ
red sky at night, sailors delight; red sky in morning, sailors take warning