YOU SAID:
hello how is weather today?
INTO JAPANESE
こんにちは今日の天気はどうですか?
BACK INTO ENGLISH
Hello how is the weather today?
INTO JAPANESE
今日の天気はどうかね?
BACK INTO ENGLISH
How is the weather today?
INTO JAPANESE
今日の天気はどうかね?
BACK INTO ENGLISH
How is the weather today?
That didn't even make that much sense in English.