Hurricanes and Tornadoes That Hit Washington Crossing, PA

The nearest NOAA station with 1991–2020 climate normals is Trenton Mercer Co Airport, NJ, 3 miles east of Washington Crossing at 184 feet. July is the warmest, with an average high of 86°F and low of 67°F; January is the coolest, at 40°F and 24°F. June and July are the wettest at 4.4 inches of precipitation on average and February the driest at 2.7 inches; the year adds up to 45.7 inches over 77 days with at least a tenth of an inch. June to November, the hurricane season months, bring 53% of the year's precipitation (24.1 of 45.7 inches); the other six months are drier. September has brought the most of the 41 tropical systems that passed within 75 miles (15); a normal September there has highs of 77°F and 4.1 inches of precipitation. Highs reach 90°F on about 22 days a year, almost all from May to September. Lows fall below freezing on about 97 nights a year. Snowfall averages 26.6 inches a year, most of it in February. That 45.7 inches is more than at 86 of the 148 Pennsylvania stations used on this site (58%). Pennington, NJ, 6 miles northeast, has its own station (Trenton State College, NJ): 47.3 inches a year, 1.6 more than here, and a July average high of 87°F against 86°F.

Water temperature at the NOAA tide station Newbold, PA, 13 miles southeast, averaged 80°F in July and 37°F in January over 2021–2025. It averaged 80°F or warmer from July. Sea level at the Philadelphia tide gauge, 28 miles from Washington Crossing, has risen 1.24 ± 0.04 inches per decade from 1900 to 2025, NOAA's linear trend; at that pace it is 12.4 inches in a hundred years. That is faster than at 73 of the 144 U.S. gauges with a NOAA trend.

Since 1996, the National Weather Service has logged 395 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Washington Crossing: 280 thunderstorm wind reports, 44 flash floods, 44 floods, 17 lightning strikes and 10 heavy rain events. They killed 11 people and injured 16, and the NWS estimated $82.5 million in property and crop damage. The strongest thunderstorm gust on record here was 81 mph, on October 31, 2019. August has had the most flash floods, 12 of 44. Of the 788 Pennsylvania cities on this site with a flash flood on record, 501 have had fewer than Washington Crossing.

Flood insurance policyholders in Washington Crossing's ZIP code 18977 have filed 365 claims with the National Flood Insurance Program since 1978, and were paid $14.8 million for buildings and contents, in the dollars of each year. The most came from Tropical Storm Ivan in 2004: 55 claims (15% of all) and $3.8 million, then Tropical Storm Lee in 2011 with 39 and Flooding in 1996 with 34. The year with the most claims was 2005, with 86. 47% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 553 Pennsylvania cities on this site with 10 or more claims, 511 have fewer than Washington Crossing.