Incubator has uneven temperatures

If you didn't calibrate it, then you don't really know what the temp was in there. It could have very well been right, but you just know know. You can buy ten of the same brand and model of thermometers and they can all be different readings.

Here is what I do to calibrate mine?

Will this thermometer/hygrometer fit in there? That is the one you need. Hatch 9 eggs and stick that in there.
 
The humidity controls the amount of moisture lost in the egg. I'm guessing humidity would jump around a bit in that size of an incubator. You can eyeball this by drawing and keeping track of the air cell or you can go by a more precise method as described here. I weigh mine. I think it is much easier and quicker than drawing on the egg.
 
My incubator can differ in temperature by a whole degree Celsius and my hatches are still great. Rearranging the eggs daily helps to even everything out. I hand turn so this is easy to remember to do. Having your incubator full of eggs also stabilises the temperature so an empty incubator will read a different temperature to a full one. Remember to read the temperature at the level at which the yolk is sitting (this depends on if you incubate with the eggs upright or laying down).

My incubator gets wrapped in a blanket, leaving the vents at the top exposed, to prevent changes to the ambient air temperature having too much impact on the temperature inside the incubator.

Were your eggs shipped, or bought from someone local, or your own? Fertility will be reduced in winter and shipping can be very rough on eggs. I've had very low hatch rates from shipped eggs, though I tried another batch from the same place and those ones must've had a more gentle trip as I had a great hatch rate second time around.
They are my own eggs. I have active roosters and know these should be fertile.
 
I got the Magicfly 10 Egg semi-automatic incubator for Christmas and I've finally figured out why my hatch was bad. The temps are uneven in the incubator! I found a thermometer that would fit in my incubator and put it in different spots and all were .5 to a whole degree different. How do you fix this?
I have the same incubator (its the janoel 10 one but basically the same) i just put it in a polystyrene box and the temp isn't fluctuating as much! Hope this helps! (a towel and a normal box should work just as good) Dont worry about the 0.5 temp difference!
 
I have the same incubator (its the janoel 10 one but basically the same) i just put it in a polystyrene box and the temp isn't fluctuating as much! Hope this helps! (a towel and a normal box should work just as good) Dont worry about the 0.5 temp difference!
Thank you! Today is day 3 and I can usually see developement by now in silkie eggs so we'll see what's going on.
 
I have the same incubator (its the janoel 10 one but basically the same) i just put it in a polystyrene box and the temp isn't fluctuating as much! Hope this helps! (a towel and a normal box should work just as good) Dont worry about the 0.5 temp difference!
Thank you! Today is day 3 and I can usually see developement by now in silkie eggs so we'll see what's going on.
 

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