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）

Japanese vocabulary

Meaning: red sky at night, shepherd's delight; red sky in the morning, shepherd's warning

See it used in real works

• Example sentences from Japanese novels & web fiction (Massif)
• Hear “夕焼けは晴れ朝焼けは雨” pronounced in real videos (YouGlish)