The church follows the Unitarian Universalists principles, as they live their values through worship, reflection, connection and service. Reverends Sarah and John Millspaugh lead this congregation.

Every Sunday the church offers childcare during the worship service at 10:30am. From September until the middle of June there is a religious education program offered for children from Pre-K to the eighth grade. The church youth group meets Sundays from September to June from 4:30pm to 6:30pm.

For adults, there are a number of different programs members can join. The church offers a book circle, meditation and yoga groups, as well as workshops on dealing with college planning, stress management, music appreciation, end of life matters and caring for aging parents.

The Winchester Unitarian Society offers its members opportunities to help others in its social outreach programs. There are also a number of support services that the church sponsors.

Worship services are held on Sundays at 10:30am.