noun
weather; sky colour
Literary or poetic word for the weather or the colour of the sky. In modern Japanese, 天気 (てんき) is the usual word for weather, and 空の色 (そらのいろ) for sky colour.
天色が怪しいから、傘を持っていったほうがいい。
The weather looks threatening, so you'd better take an umbrella.
秋の天色は高く澄んでいる。
The autumn sky colour is high and clear.