The patron saints of Cuceglio are Saints Eusebio and Pietro, celebrated on 1 August; the village holds the Chiesa di Sant'Eusebio.
The municipality also holds the Santuario della Beata Vergine Addolorata and the Chiesa di Sant'Eusebio Piccolo. The typical dish of Cuceglio is the Fritüra Dusa (sweet semolina); the village holds a festival dedicated to it. On the occasion of the 20th festival, in 2025, the village became the «village of the Fritüra Dusa».