The weight of a 14-year-old depends on several factors, including gender, height, and body composition. According to the search results, the average weight for a 14-year-old girl ranges from 105 to 125 pounds. For boys, the average weight ranges from 105 to 115 pounds. However, these are just averages, and weight can vary significantly based on individual factors. Its important to note that healthy weight is not solely determined by a number on a scale, and other factors such as body composition and overall health should also be considered. If you have concerns about your weight or your childs weight, its best to consult a healthcare professional for personalized advice.