Display Screen or Portion Thereof with an Animated Graphical User Interface

FIG. 1 is a front view of a first image of the display screen or portion thereof with an animated graphical user interface; and,

FIG. 2 is a front view of a second image of the display screen or portion thereof with an animated graphical user interface.

The portion of the figures shown in broken lines is for the purpose of illustrating environment and forms no part of the claimed design. Due to the fact that the following lines are too small to be shown in broken lines, the following lines are also disclaimed: the markings on each dial that would indicate the various possible output values (sometimes referred to as “tick” marks) of the dial meters. Note that the broken lines that are the outer-most dashed line surrounding all other elements is not intended to disclaim all the elements it surrounds but represents the display screen or portion thereof itself. Color is not claimed.

The appearance of the transitional image sequentially transitions between images shown in FIG. 1 through FIG. 2 . The process or period in which one image transitions to another image forms no part of the claimed design.