The strange but true reason this city is always hotter than everywhere else in N.J.

STEVEN RODAS / NJ.COM – Reading that the forecast calls for 90 degrees is one thing.

Standing in Newark at midday on a summer Tuesday is another — sun beaming down, a heat advisory pinging on your phone (which keeps overheating), sweat dripping down your forehead so much that wiping it away with a towel provides only seconds of relief …