天気が悪い

the weather is bad

→ 天気
phrase Uncommon #19,025
the weather is bad Used to describe unpleasant weather, such as rain, wind, or cloudy conditions. The adjective 悪い changes form to match the tense or politeness of the sentence.
JA: 明日は天気が悪いかもしれません。
EN: The weather might be bad tomorrow.

きょうは天気が悪いです

The weather is bad today.

イギリス天気が悪いけど

The weather in Britain is bad, though.

— レベッカ (1940)

天気が悪いと聞いたため旅行を延期することに決めた

I decided to postpone the trip because I heard the weather was going to be bad.

最近天気が悪いわね

The weather's been bad lately, hasn't it?

近ごろ天気が悪い

The weather has been bad lately.

天気が悪いときは山登りは危険だ

Mountain climbing is dangerous when the weather is bad.