在剑桥英语中，关于天气的话题可以通过多种方式表达。以下是列举的20个关于天气的英语句子，涵盖了询问、描述和预测天气等不同情境：

询问天气

What's the weather like today? 今天天气怎么样？

How is the weather today? 今天天气如何？

What's the forecast for tomorrow? 明天的天气预报是什么？

描述当前天气

It's sunny/cloudy/rainy/snowy today. 今天天气晴朗/多云/下雨/下雪。

The sun is shining brightly. 阳光明媚。

It's drizzling outside. 外面正下着小雨。

The wind is blowing strongly. 风刮得很大。

描述天气变化

The sky is clearing up. 天空正在放晴。

The clouds are gathering. 云层正在聚集。

It's getting warmer/colder. 天气越来越暖和/冷了。

谈论天气感受

It's quite chilly today. 今天相当冷。

It's a pleasant day for a walk. 今天是个散步的好日子。

I feel so hot and sticky. 我觉得又热又闷。

预测天气

It's going to be a sunny day tomorrow. 明天将是晴天。

It's supposed to rain later on. 稍后可能会下雨。

The forecast says there's a chance of thunderstorms. 天气预报说有雷雨的可能性。

谈论天气对活动的影响

The rain has put a damper on our picnic plans. 下雨打乱了我们的野餐计划。

The snow makes it difficult to drive. 下雪开车很困难。

The sunny weather is perfect for the beach. 晴朗的天气去海滩正合适。

其他表达

It's a beautiful day. 今天天气真好。

The weather is unpredictable these days. 这些天天气变化无常。

We've had a lot of rain this year. 今年我们下了很多雨。

这些句子涵盖了从基本的天气询问到对天气变化的详细描述，再到天气对日常活动的影响等多个方面，能够帮助学生在剑桥英语学习中更好地掌握关于天气的表达方式。