Heat waves in NYC: 3+ days in a row at 90°F or hotter. Fri, Jun 28, 1872: 91°F / 69°F Sat, Jun 29, 1872: 90°F / 74°F, 0.01″ rain Sun, Jun 30, 1872: 93°F / 75°F Mon, Jul 1, 1872: 95°F / 75°F Tue, Jul 2, 1872: 96°F / 78°F Wed, Jul 3, 1872: 94°F / 70°F Thu, Jul 4, 1872: 94°F / 73°F, 1.2″ rain Fri, Jul 5, 1872: 93°F / 72°F, 0.28″ rain Source: NOAA GHCN-Daily, Ny City Cntrl Park (USW00094728).