I'm staying home this weekend.
'Fine settimana' — FI-ne set-ti-MA-na. Both words carry their own stress. Can also say 'weekend' (borrowed from English).
Use when you want to cancel weekend plans without giving a specific reason — you simply need rest or alone time. This has become more acceptable in Italy with younger generations.
'Mi fermo' uses 'fermarsi' (to stop, to stay put). 'A casa' means 'at home'. This phrase communicates a deliberate choice to rest rather than an obligation, which is refreshingly honest.
Ho bisogno di un fine settimana tranquillo.
I need a quiet weekend.
Explains the motivation — need for rest — which is widely understood
Questo weekend me lo prendo per me.
This weekend I'm taking for myself.
Very direct about needing personal time — modern and honest
Resto a casa a riposare.
I'm staying home to rest.
Simple and completely acceptable as a reason among close friends
The concept of 'staccare' (unplugging) and 'riposare' (resting) is increasingly valued in modern Italian culture, especially among millennials and Gen Z, though older generations may express mild concern.