Northboro, Iowa experiences a humid continental climate with four distinct seasons. Summers are warm and humid, with average temperatures reaching the high 80s°F. Winters are cold and snowy, with average temperatures in the 20s°F. The area receives around 33 inches of precipitation annually, evenly distributed throughout the year.

Northboro is surrounded by beautiful natural surroundings, including several lakes and rivers. The East Nishnabotna River flows through the region, providing opportunities for fishing and boating. Outdoor enthusiasts can also explore the nearby Waubonsie State Park, offering hiking trails, camping facilities, and picturesque views. With its diverse landscape and natural beauty, Northboro offers a range of outdoor recreation opportunities for residents and visitors alike.