当天气变冷英语怎么说

当天气变冷，我们可以用以下英文表达：

The weather is getting colder.
The temperature is dropping.
It's getting chilly outside.
It's getting colder and colder.

这些表达方式的来源都是来自于描述天气的常见词汇和表达方式。

例句：

The weather is getting colder and I need to wear a coat when I go outside.
I can feel the temperature dropping as the sun sets.
It's getting chilly outside, I better put on a sweater.
It's getting colder and colder, I think it's time to turn on the heater.

中文翻译：

天气变冷了，我出门时需要穿上外套。
随着太阳落下，我能感觉到温度在下降。
外面变得有点冷了，我最好穿上毛衣。
天气越来越冷了，我想是时候打开暖气了。