The patron saints of Arluno are Peter and Paul, celebrated on 29 June in the Church of Santi Pietro e Paolo.
The town also holds the Palio di Arluno, run among the town's districts, and the sagra della buseca, the traditional Lombard tripe dish, set up on the church square. Arluno also holds the Parco del Roccolo and the WWF Bosco di Vanzago nature reserve.