Storing PCBs in the garage?

So the basement arcade has expanded to the point my PCB storage shelf is
disappearing. What do you guys think about storing PCBs in the garage?
I live in NJ so it doesnt reallly get super hot or super cold here. Generally
20-90 deg. Am I asking for trouble? If the arecade stuff expands to another
area of the house my wife will kick my ass.