明天不下雨的英文

都对；if it isn't rainy ，这里的rainy是形容词；if it doesn' rain，这里的rain是动词； If there isn`t rain tomorrow.这里的rain是名词三种都可以。

If it won't rain tomorrow

If it doesn't rain tomorrow

如果明天不下雨If it doesn't rain tomorrowIf it's not rainy tomorrowIf it isn't rainy tomorrowIf there's no rain tomorrowIf the weather is dry tomorrow都有相同意思（要注意拼写）希望对你有帮助，若满意请点击“选为满意答案”及时采纳，谢谢。