在英文中，可以这样表达“荆州现在好热”的意思：

It's very hot in Jingzhou right now.
Jingzhou is experiencing very hot weather at the moment.
The temperature in Jingzhou is currently very high.

来源：

“热”在英文中通常用 hot 来表示。例如，可以说：

It's a hot day today. 今天是个热天。
The sun is very hot. 太阳很热。

“现在”在英文中可以用 now 或 at the moment 来表示。例如：

I'm busy now. 我现在很忙。
She's not home at the moment. 她现在不在家。

中文翻译：

It's very hot in Jingzhou right now. 荆州现在好热。
Jingzhou is experiencing very hot weather at the moment. 荆州现在的天气非常热。
The temperature in Jingzhou is currently very high. 荆州的温度现在很高。