Lakones. I'm not answering for Pam but I would think at 5 weeks they should be close to being feathered out enough to handle 30 degrees especially that they're in a coop under a roof if that's the situation you have. If anything you could just give them a heat lamp for the cooler night temps.
Do any of ya'll weigh your birds? If yes what type scales do you use?
Do any of ya'll weigh your birds? If yes what type scales do you use?