What is the average weight for a 14 year old boy?

Wow!Almost anything! There is a huge range of normal sizes for14-year old boys...On the cusp of puberty for some, late for others. Go to cdc website @ www.Cdc.Gov; type "growth charts" in the search box at the right upper corner of this webpage; click thru the menus until you see boys charts geared for age14. Plot your son. Hopefully he is good! if in doubt, talk with your pediatrician or nutritionist for more details.