by the end of this week; within the week
Refers to a deadline or timeframe ending within the current week. Often used in scheduling, business, or news contexts.
週内にレポートを提出してください。
Please submit the report by the end of this week.
I will give you a reply by the end of the week.
週内の天気は不安定になる見込みです。
The weather is expected to be unsettled within the week.