Rainmeter - Plugins

Think of a skin as the "body" of a car and a plugin as the "engine." Most skins use standard plugins that come pre-installed with Rainmeter, like those for measuring CPU usage or disk space. However, to get advanced data—like your GPU temperature from MSI Afterburner or specialized weather feeds—you often need 3rd-party plugins (.dll files). Essential Plugins for Your Setup Question about building plugins - Rainmeter Forums

A lighter alternative for monitoring CPU temperature specifically, requiring the CoreTemp background app. rainmeter plugins