Is this something you're looking for? from i3 man page: https://i3wm.org/i3status/manpage.html#_cpu_temperature
5.9. CPU-Temperature
Gets the temperature of the given thermal zone. It is possible to define a max_threshold that will color the temperature red in case the specified thermal zone is getting too hot. Defaults to 75 degrees C. The output format when above max_threshold can be customized with format_above_threshold.
Example order: cpu_temperature 0
Example format: T: %degrees °C
Example max_threshold: 42
Example format_above_threshold: Warning T above threshold: %degrees °C
Example path: /sys/devices/platform/coretemp.0/temp1_input
/sys/class/hwmon/hwmon1/temp1_input
, it's the only one "temp_input" andtemp1_label
is "CPU Temperature", should be it – xealits Jan 30 '18 at 11:26