后天将是雨天用英语怎么说

"后天将是雨天"用英语可以表达为"It will be rainy the day after tomorrow."。
"后天"一词来自于汉语，它的意思是"the day after tomorrow"。
下面是一些例句：
The day after tomorrow will be rainy.
后天将是雨天。
It looks like it will be raining the day after tomorrow.
看起来后天将下雨。
According to the forecast, the day after tomorrow will be cloudy with a chance of rain.
根据天气预报，后天将是多云，有雨的可能性。