天气预报用英语怎么说四年级

天气预报英语是 "weather forecast".

它的来源：天气预报是通过对大气温度，湿度，风向，气压等因素的监测和预测得出的。

一些英文例句及其中文翻译：

It's going to be sunny tomorrow. (明天将会是晴朗的)
The forecast calls for rain later this afternoon. (预报预计今天下午将下雨)
The weatherman said there's a high chance of thunderstorms tomorrow. (天气预报说明明天有很高的概率会有雷暴)