The exosphere is the farthest from earth and it also runs of to space scientist do not know the tempeture right now
The thermosphere is where the plane fly. The hottest temp is 2000 degrees.
The mesospheres tempature is about -90 degrees
The temperature in the stratosphere is 0 Celsius( 30 f).
The troposphere is the closest to earth. it is so close that we are in it.