Williamstown, NJ Tornado History — 49 Tornadoes Since 1950
How many tornadoes has Williamstown, NJ had?
Williamstown has had 49 tornadoes on record within 25 miles since 1950, including 1 violent (EF3+) tornado.
When was the most recent tornado near Williamstown?
The most recent tornado within 25 miles of Williamstown was an EF1 on May 16, 2025.
When is tornado season in Williamstown?
July is historically the peak month for tornadoes near Williamstown, with 14 on record. Spring through early summer (April–June) generally sees the highest activity across most of the central and southern United States.
At a Glance
Recent Tornado Activity Near Williamstown
The last 20 years of confirmed tornadoes within 25 miles — 14 total, averaging 0.7 per year over this window.
Tornadoes by Decade
Tornadoes by Enhanced Fujita Rating
F0–F5 ratings (pre-2007) are grouped with their EF equivalents. The Enhanced Fujita scale replaced the original Fujita scale in February 2007.
Tornadoes by Month
Casualties on Record Near Williamstown
1 fatality has been recorded within 25 miles of Williamstown since 1950, across 1 event. 42 injuries have been reported across all events. 2003 was the deadliest year on record.
The deadliest single event was a F0 on October 27, 2003, which caused 1 fatality along a 0.5-mile track.
Notable Tornadoes Near Williamstown
About Tornadoes in Williamstown
This overview was written April 23, 2026. The tornado counts and notable-event figures elsewhere on this page reflect the latest data and may differ from this summary.
Williamstown, New Jersey has experienced 49 documented tornadoes within a 25-mile radius since 1950, according to the NOAA Storm Prediction Center. The majority of these events have been relatively weak, with 19 rated EF0 and 23 rated EF1 on the Enhanced Fujita scale, which measures tornado intensity based on damage. Six tornadoes reached EF2 strength, and only one attained EF3 intensity during this period.
Tornado activity in the area has varied considerably by decade. The 1980s and 1990s each recorded 11 tornadoes, representing the most active periods, while the 1960s saw only 2 events. The 2000s experienced a notable decline with just 3 tornadoes, but activity increased again in the 2010s with 7 events and has continued at a similar pace into the 2020s with 7 tornadoes recorded through 2025. July stands out as the peak month for tornado occurrence, accounting for 14 of the 49 total events.
The costliest tornado on record struck on July 13, 1975, an F2-rated storm that caused $27.5 million in property damage along a 1.5-mile path with a maximum width of 77 yards. Despite the significant damage, this tornado resulted in no fatalities. The area's only recorded tornado fatality occurred during a much weaker F0 tornado on October 27, 2003, which traveled just half a mile with a 30-yard width and caused no property damage. The longest-tracked tornado was an F1 event on March 10, 1964, which carved an extraordinary 59.1-mile path.
More recent activity includes an EF1 tornado on April 1, 2023, which became the widest on record at 600 yards across despite traveling 6 miles and causing no reported damage or injuries. The most recent tornado occurred on May 16, 2025, an EF1 event that traveled 8.1 miles with a 300-yard width, causing $60,000 in property damage but no fatalities.