How much should my 3 month old mahratta greyhound puppy weigh in weight? Asked By: Otho Daniel. Date created: Thu, May 27, 2021 4:11 AM. Best answers. A few tips on the weight of the puppy Greyhound, during its growth: Growth of Greyhound female: According to its size, the weight of the Greyhound female at 3 months should be between 10 and 12.7 kg. At 6 months, the Greyhound female weighs on average between 18.7 kg for the smallest individuals and 23.7 kg for the largest individuals ...