Thompson, Ohio is a small rural community located in Geauga County. The climate in Thompson is characterized as a humid continental climate, with hot summers and cold winters. Summers are typically warm and humid, with temperatures reaching an average high of 82°F (28°C) in July. Winters are cold, with average temperatures dropping to around 22°F (-6°C) in January.

The hydrology constituents in Thompson are mainly influenced by the Grand River, which flows through the community. The river supports a diverse ecosystem and is home to various fish species, making it a popular spot for fishing enthusiasts. Additionally, Thompson is surrounded by several lakes and ponds, providing further recreational opportunities for boating, swimming, and other water activities.

Outdoor recreation is abundant in Thompson, as the area is surrounded by picturesque natural landscapes. The Punderson State Park is a popular destination for camping, hiking, and picnicking, with its scenic trails and a beautiful lake. The nearby Nelson-Kennedy Ledges State Park offers unique geological formations, providing opportunities for rock climbing and exploring nature trails. Overall, Thompson, Ohio offers residents and visitors ample opportunities to enjoy outdoor activities in a beautiful natural setting.