Display CPU Temperature in the Mac OS X Menu Bar

Jul 11, 2011 - 7 Comments

Mac Temperature Monitor

If you want to keep an eye on your Mac’s CPU temperature, you can choose between two different apps to display the temperature right in your menu bar. If you’re running Mac OS X 10.6.8 or lower, both apps are free, but if you’re on Lion then you’ll have to pay for one of the options.

You’ll see that both of these apps do a lot more than just display CPU temperature, they detect and display all internal temperatures including battery, various locations on the enclosure, the heat sink, hard drive, and each CPU core. We’re going to mostly ignore that though and aim for CPU temps.


Temperature Monitor – Free
This app is a free download and supports all Intel CPU’s including the newer Core i models. Temperature Monitor requires a minor configuration adjustment to display the CPU temp in the menu bar, so launch the app and then:

  • Open up the apps Preferences and click on the “Menu Bar” tab
  • Drag the “CPU A Temperature” sensor to the top of the “Sensors to display” list

Without doing that, you’ll end up with the default battery temperature displayed in the menubar because the list is alphabetized. You can also go about customizing the font in the preferences if you want.

You’ll quickly notice that Temperature Monitor goes far beyond just displaying temps, and it makes a great diagnostic tool with its history, graphing, and alert features. Those abilities are beyond the scope of this article, but they go further to make this free app worth the download.

Mac Temperature Monitor pull down menu

 

iStats 2 – Free for Mac OS X 10.6.8 or lower
iStat 3 – $16 for Mac OS X 10.7
We have talked about iStat 2 before as a great way to monitor system activity in the menubar, but if you tweak the settings and disable all the other stuff you can just display CPU temperatures as well. Clicking on the menubar item pulls down the menu you see up top, which shows off all the other temperature sensors. While iStats 2 can still be found for free and works with Mac OS X 10.6.8 or earlier, Mac OS X 10.7 users will need to pay $16 for iStats 3.

CPU  and Hardware Temperature Monitor in the Mac OS X Menu Bar

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Related articles:

Posted by: William Pearson in Mac OS, Tips & Tricks

7 Comments

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  1. Jimmy says:

    This is pointless if I have to use terminal to change to F? TF! I’ll pass!

  2. […] showed you how to display the CPU temperature in your Mac OS X menu bar, but what about showing the real temperature outdoors? A little free app […]

  3. Taz says:

    atMonitor is also free, nice little app. http://www.atpurpose.com/atMonitor/

  4. arly says:

    SMC Fan Control does the basic temperature and fan speed:

    http://www.eidac.de/?p=134

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