Heat waves in NYC: 3+ days in a row at 90°F or hotter. Sun, Jul 14, 2024: 90°F / 75°F Mon, Jul 15, 2024: 91°F / 73°F, 0.12″ rain Tue, Jul 16, 2024: 94°F / 78°F Wed, Jul 17, 2024: 90°F / 72°F, 1.46″ rain Source: NOAA GHCN-Daily, Ny City Cntrl Park (USW00094728).