Note that there's a minor drawback of this method: this method shows your CPU temp when Windows 11 isn't loaded. This menu displays various information about your system, sometimes including your processor's temperature. One built-in method to find your CPU's temp on some computers is by using your machine's UEFI menu, often referred to as the BIOS. Think your PC's CPU gets too hot, but not sure exactly what temperature it reaches? Using a built-in method and a few free third-party apps, you can quickly and easily find out the processor temp of your Windows 11 PC.