NYC Weather Forecast: September 21, 2026 – FOX 5 New York

NYC Weather Forecast: September 21, 2026  FOX 5 New York

New Yorkers are in for a messy week as the first fall nor'easter takes shape, threatening the Tri-State area with heavy rain, powerful wind gusts, and severe beach erosion by the time the weekend arrives.The storm system is developing as a sharp cold front pushes off the coast, clashing with high pressure to the north. While the workweek will be largely defined by rain and gusty winds, the storm is expected to significantly strengthen as it tracks north toward the region on Saturday and Sunday.For the five boroughs and Long Island, the track of the storm will dictate the severity of the weekend washout. If the storm tracks closer to New Jersey or Long Island, the strongest impacts will shift south, putting NYC directly in the path for heavy rain and intense winds.If the storm tracks closer to Boston, NYC may only end up on the outskirts of the system, though breezy conditions and rough surf would remain.Regardless of the final track, experts say coastal areas are expected to take a beating.

The FOX Forecast Center warns that Long Island beaches will face significant beach erosion and dune scarping. Multiple days of relentless, pounding waves reaching 15 to 18 feet offshore will severely impact the shoreline.Wind gusts along immediate coastal areas could reach 40 to 50 mph, pushing ocean water