Hurricanes and Tornadoes That Hit Northport, NY

The nearest NOAA station with 1991–2020 climate normals is Centerport, NY, 3 miles southwest of Northport at 30 feet. July is the warmest, with an average high of 83°F and low of 66°F; January is the coolest, at 38°F and 25°F. September is the wettest at 4.7 inches of precipitation on average and February the driest at 3.1 inches; the year adds up to 48.5 inches. June to November, the hurricane season months, bring 51% of the year's precipitation (24.9 of 48.5 inches); the other six months are drier. September has brought the most of the 52 tropical systems that passed within 75 miles (22); a normal September there has highs of 74°F and 4.7 inches of precipitation. Highs reach 90°F on about 11 days a year, almost all from June to August. Lows fall below freezing on about 88 nights a year. That 48.5 inches is more than at 111 of the 137 New York stations used on this site (81%). Smithtown, 7 miles southeast, has its own station (Islip Li Macarthur Airport, NY): 46.1 inches a year, 2.4 less than here, and the same July average high, 83°F.

Water temperature at the NOAA tide station Bridgeport, CT, 20 miles north, averaged 76°F in August and 39°F in February over 2021–2025. No month averaged 80°F. Sea level at the Bridgeport tide gauge, 20 miles from Northport, has risen 1.35 ± 0.08 inches per decade from 1964 to 2025, NOAA's linear trend; at that pace it is 13.5 inches in a hundred years. That is faster than at 81 of the 144 U.S. gauges with a NOAA trend.

Since 1996, the National Weather Service has logged 144 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Northport: 71 flash floods, 69 thunderstorm wind reports, 3 lightning strikes and 1 flood. They killed 1 person and injured 1, and the NWS estimated $39.4 million in property and crop damage. The strongest thunderstorm gust on record here was 78 mph, on September 1, 2021. August has had the most flash floods, 41 of 71. Of the 798 New York cities on this site with a flash flood on record, 594 have had fewer than Northport.

Flood insurance policyholders in Northport's ZIP code 11768 have filed 493 claims with the National Flood Insurance Program since 1978, and were paid $11.2 million for buildings and contents, in the dollars of each year. The most came from Hurricane Sandy in 2012: 150 claims (30% of all) and $7.8 million, then December Storm - Nor'easter in 1992 with 131 and Flooding in 1984 with 54. 86% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 549 New York cities on this site with 10 or more claims, 493 have fewer than Northport.