Lacarne, Ohio is a small unincorporated community located in Ottawa County. Situated near Lake Erie, it experiences a humid continental climate with four distinct seasons. Summers are generally warm and humid, with temperatures averaging around 80°F (26°C), while winters are cold and snowy, with average temperatures dipping to around 30°F (-1°C). Spring and fall offer mild and pleasant temperatures.

Lacarne benefits from its proximity to Lake Erie, which contributes to its hydrology constituents. The lake's influence moderates temperatures in the area, preventing extreme heat or cold. Additionally, the lake offers ample recreational opportunities, including boating, fishing, and swimming.

Outdoor enthusiasts in Lacarne can explore the nearby Magee Marsh Wildlife Area, known for its exceptional birdwatching opportunities during spring migration. This area is also home to hiking trails, picnic spots, and opportunities for wildlife observation. In addition, nearby East Harbor State Park provides further recreational pursuits, such as camping, swimming, and boating.

Overall, Lacarne, Ohio offers a pleasant climate, influenced by Lake Erie, and provides a range of outdoor activities for nature lovers to enjoy.