I am sure that your CPU heats up when you use too much of it. But do you know just how hot it gets? Here is the best CPU temperature monitoring tools for Windows 7.
Real Temp: It is a lightweight tool that monitors the temperature of a CPU. This tool supports Intel single Core, dual Core and quad Core processors. You can configure Real Temp to display your CPU temperature in your system tray or simply run an executable file.
Download Realtemp
Core Temp: It is a compact tool that helps in monitoring CPU temperature. It is totally motherboard independent and displays the temperature of CPU in your system.
It supports Windows Vista and Windows 7(including x86 and x64).
Download Coretemp

