This is the 2650th most frequent Japanese word.
来週
"Next week."
来週 describes the period during which the weather forecast applies.
来週の天気予報をチェックしましたか？
Have you checked next week's weather forecast?
来週 was used as a time reference to specify a future timeframe for the plans needing adjustment.
来週は忙しいから予定を調整する必要があります。
Next week is busy, so I need to adjust my plans.
来週 serves as a temporal marker indicating when the meeting is scheduled to occur.