This add-on provides information about HDD Temperature from S.M.A.R.T using smartmontools.
sensor.hdd_temp
.sensor.hdd_temp
sensor attributes.You can get more information about the addon here and all the details about it's options and parameters here.
Add the repository URL under Supervisor (Hass.io) → Add-on Store in your Home Assistant front-end:
https://github.com/Draggon/hassio-hdd-tools
Configure the add-on via your Home Assistant front-end under Supervisor (Hass.io) → Dashboard → HDD Tools.