tenkou ga kawatta.

subject particle

Breakdown of tenkou ga kawatta.

• 変かわる: to change
• 天候てんこう: weather conditions

Questions & Answers about tenkou ga kawatta.

How do you read 天候 が 変わった?

It is read:

• 天候 → てんこう
• が → ga
• 変わった → かわった

So the full sentence is:

てんこう が かわった。

What does 天候 mean, and how is it different from 天気?

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.

Why is the particle が used here?