It's a couple of bash scripts I have written just to monitor the CPUs+GPU temperature in my computer. It might need some tweaks to work on yours, like changing sensor names and adapt the processing of output format.
I'm just horrible at picking colors, so you'll likely need to change them if you want it to look good for you.
You'll need lm_sensors and datamash installed on your system.
The following screenshot illustrates the concept (never mind my terrible taste for design).