Are Fish Affected By The Weather

[Mikaila31]

If it's raining or if it's thundering and lighting outside. do the fish inside the house know that it's storming?

 

[dwarfgourami]

I have read that certain fish are more likely to breed during or after a thunderstorm. Don't really know if it helped the corys with my husband flashing his torch and shouting 'bang' though; I felt the extra rations of bloodworm had more to do with it.

Other fish like to breed when the morning sun hits the tank.

 

[annka5]

Some will respond to atmospheric pressure changing, e.g. the aptly named weather loach.
Being indoors/ outside won't hide changes in atmospheric pressure - otherwise barmoters wouldn't work in the house.
I don't reckon my fish (tetra, discus, and rams) respond to changes in the weather, and have no idea as to if they are aware of such changes or not.