also: いいてんき
expression, noun
Describes pleasant, clear, or good weather conditions. Often used in everyday conversation.
今日は本当に良い天気ですね。
It's really fine weather today, isn't it?
明日もいい天気が続くでしょう。
The fair weather will probably continue tomorrow.
Compound of 良い (よい/いい, 'good') and 天気 (てんき, 'weather'). A straightforward adjective-noun phrase.