Heat waves in NYC: 3+ days in a row at 90°F or hotter. Mon, Jul 25, 1892: 93°F / 77°F, 0.09″ rain Tue, Jul 26, 1892: 96°F / 78°F, 0.13″ rain Wed, Jul 27, 1892: 91°F / 74°F Thu, Jul 28, 1892: 97°F / 75°F Fri, Jul 29, 1892: 97°F / 77°F, 0.03″ rain Source: NOAA GHCN-Daily, Ny City Cntrl Park (USW00094728).