What are those sensors on the forward A321neo fuselage? What are those sensors on the forward (Airbus) A321neo fuselage? If it helps, this is WOW air's TF-DTR.
The probe on the left is a TAT (Total Air Temperature) probe and the device on the right is an Ice Detector.

From this website: UTC Aerospace Systems (Total Air Temp)

From this website:UTC Aerospace Systems (Ice Detector)