What is Adaptive Temperature in iOS 26? Apple is introducing a powerful new smart home feature in iOS 26 called Adaptive Temperature, designed to make your home’s climate control truly automated. How Adaptive Temperature Learns Your RoutineThe intelligence behind Adaptive Temperature comes from its ability to predict your movements using routine signals your iPhone already knows. To activate it, you simply navigate to your thermostat’s settings within the Home app and toggle on Adaptive Temperature. A More Intuitive Smart HomeUltimately, Adaptive Temperature is designed to be an automation you set up once and then forget.