Hurricanes and Tornadoes That Hit Westfield, NJ

The nearest NOAA station with 1991–2020 climate normals is Cranford, NJ, 2 miles northeast of Westfield at 80 feet. July is the warmest, with an average high of 86°F and low of 68°F; January is the coolest, at 40°F and 25°F. July is the wettest at 5.3 inches of precipitation on average and February the driest at 3.3 inches; the year adds up to 50.4 inches over 81 days with at least a tenth of an inch. June to November, the hurricane season months, bring 52% of the year's precipitation (26.2 of 50.4 inches); the other six months are drier. September has brought the most of the 43 tropical systems that passed within 75 miles (19); a normal September there has highs of 77°F and 4.3 inches of precipitation. Highs reach 90°F on about 28 days a year, almost all from May to September. Lows fall below freezing on about 111 nights a year. Snowfall averages 26.3 inches a year, most of it in February. That 50.4 inches is more than at 35 of the 51 New Jersey stations used on this site (69%). Scotch Plains, 2 miles southwest, has its own station (Plainfield, NJ): 48.7 inches a year, 1.7 less than here, and a July average high of 88°F against 86°F.

Water temperature at the NOAA tide station The Battery, NY, 18 miles east, averaged 74°F in August and 39°F in February over 2021–2025. No month averaged 80°F. Sea level at the Bergen Point tide gauge, 11 miles from Westfield, has risen 1.86 ± 0.13 inches per decade from 1981 to 2024, NOAA's linear trend; at that pace it is 18.6 inches in a hundred years. That is faster than at 114 of the 144 U.S. gauges with a NOAA trend.

Since 1996, the National Weather Service has logged 678 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Westfield: 368 thunderstorm wind reports, 209 flash floods, 64 floods, 30 lightning strikes and 7 heavy rain events. They killed 19 people and injured 15, and the NWS estimated $155.4 million in property and crop damage. The strongest thunderstorm gust on record here was 92 mph, on July 1, 2013. July has had the most flash floods, 83 of 209. Of the 455 New Jersey cities on this site with a flash flood on record, 340 have had fewer than Westfield.

Flood insurance policyholders in Westfield's ZIP code 07090 have filed 64 claims with the National Flood Insurance Program since 1978, and were paid $1.8 million for buildings and contents, in the dollars of each year. The most came from Hurricane Ida in 2021: 18 claims (28% of all) and $1.4 million, then Hurricane Irene in 2011 with 10. 72% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 395 New Jersey cities on this site with 10 or more claims, 172 have fewer than Westfield.