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。

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。

Hello QFS! How is the weather? Gonna get nippy!

你好，QFS！ 天气怎么样？将会变冷吗？