Lodi, Ohio is a small village located in Medina County, in the northeastern part of the state. The climate in Lodi is classified as a humid continental climate, characterized by hot summers and cold winters. Average temperatures range from the low 20s in winter to the high 80s in summer. Precipitation is relatively evenly distributed throughout the year, with an average annual rainfall of around 40 inches.

Lodi is situated near the headwaters of the Black River, which flows through the village. The hydrology constituents in this area include small streams, wetlands, and ponds. The Black River watershed offers opportunities for activities like fishing, canoeing, and kayaking.

Outdoor recreation enthusiasts can explore the nearby Black River Reservation, which is part of the Lorain County Metro Parks system. This park provides various recreational activities such as hiking, horseback riding, and bird-watching. Lodi also has several parks and green spaces within the village limits, including Letha House Park and Harrisville Park, where residents and visitors can enjoy picnicking, walking trails, and sports fields.