How To Monitor and Control Fan on Mac

The powermetrics command can be used to determine CPU temperature as well as a lot of other parameters.

I use the free Temp Monitor to monitor over 25 temperature sensors in the iMac and it also can control the fan speed if needed.

The Open Hardware Monitor is a free open source software that monitors temperature sensors, fan speeds, voltages, load and clock speeds of a computer. Downloads · Screenshots · Release Version 0.9.6 · Documentation

Go to Finder > Applications > Utilities > Terminal. Type the command sudo powermetrics --samplers smc |grep -i CPU die temperature . Enter ...

Temp Monitor is an tool which will show you all available sensors in your Mac, alert you when your Mac overheats, and the utility to help you log all instances.

Fanny is a free Notification Center Widget and Menu Bar application to monitor your Macs fans. Compact design allowing you to keep an eye on your systems fans.

You can use the Activity Monitor app in Applications > Utilities to look at Energy Impact in the Energy column for more particulars.

I reccomend Macs Fan Control, it gives you control over your fans, and can be set up to display your current temps in the menu bar icon.

This all-in-one solution provides comprehensive fan control and extensive temperature monitoring across a wide range of Mac models and processors.

Temp Monitor displays the current, minimum, and maximum speed (rotations per minute) of every fan in your Mac. It can also control your fan speed easily with ...