YOU SAID:
I hope when you arrive the weather will be clement
INTO JAPANESE
到着したら天気が良くなることを願っています
BACK INTO ENGLISH
I hope the weather will be better when I arrive
INTO JAPANESE
到着したら天気が良くなることを願っています
BACK INTO ENGLISH
I hope the weather will be better when I arrive
That didn't even make that much sense in English.