| | Diet Nutrition | Weight Loss After Kids What is the average weight for a 6 8-year-old girl? According to the Centers for Disease Control and Prevention (CDC), the average weight for a 6-8-year-old girl is between 45 and 65 pounds. Weight Loss After Kids - Related Articles How to Deal With Second Stage Labor GERD & Arm Pain Wastewater Pollutants What are great places to have a baby shower? In-Patient Depression Treatment Facilities Strobe Light Effects on Animals What is the youngest age you can be a candy striper?