Fremont, Ohio experiences a warm temperate climate with hot summers and cold winters. The city is situated along the Sandusky River, which is a tributary of Lake Erie. Hydrology constituents in the area include the Sandusky River Watershed, which provides drinking water to the region. Outdoor recreation opportunities in Fremont are abundant, with nearby destinations such as the Sandusky Bay and Lake Erie providing opportunities for boating, fishing, and swimming. The Fremont Reservoir and Creek Bend Farm Park also provide opportunities for hiking, birdwatching, and picnicking. The city's proximity to the Lake Erie Islands offers additional opportunities for outdoor activities.