How do I change the units of measurement using the Roku app?
The Roku app is set to predetermine the users location and show the appropriate units when first loaded up. If you are in a location close to Canada, there is a chance the autoip of your device thought you were in Canada and loaded the units in Celsius for the first load. Once changed, the app will remember the desired units even after the app is exited or the Roku is turned off.