
Questions & Answers about tenkou ga kawatta.
天候 means weather conditions or the weather. It often sounds a little more formal or objective than 天気.
- 天気 is the everyday word for weather
- 天候 can sound more like weather conditions, especially in reports, writing, or formal speech
So in casual conversation, people often say 天気が変わった.
Using 天候 is not wrong at all—it just sounds a bit more formal.