rain that stops in the morning
Rare term for rain that clears up by morning. Mainly encountered in literary or poetic contexts.
朝上がりの空は、まだ少し湿っていた。
The sky after the morning rain had stopped was still a little damp.
Compound of 朝 (morning) and 上がり (stopping, clearing up, from 上がる). The exact historical derivation is uncertain, but the word is transparently formed from these elements.