How is the weather?

天气怎么样?

How is the weather?
It's a fine day.

天气怎么样?
这是个晴天。

How is the weather?
It's a cloudy day.

天气怎么样?
这是个阴天。

How is the weather?
It's raining.

天气怎么样?
这是个雨天。

How is the weather?
It's snowing.

天气怎么样?
这是下雪天。