Tewksbury, MA Tornado History — 46 Tornadoes Since 1950
How many tornadoes has Tewksbury, MA had?
Tewksbury has had 46 tornadoes on record within 25 miles since 1950, including 2 strong to violent (EF3+) tornadoes.
When was the most recent tornado near Tewksbury?
The most recent tornado within 25 miles of Tewksbury was an EF0 on September 6, 2025.
When is tornado season in Tewksbury?
July is historically the peak month for tornadoes near Tewksbury, with 18 on record. April through June account for 9 of the 46 tornadoes on record near Tewksbury.
At a Glance
Recent Tornado Activity Near Tewksbury
The last 20 years of confirmed tornadoes within 25 miles — 5 total, averaging 0.3 per year over this window.
What storm spotters reported near Tewksbury
One local storm report has been filed within 25 miles of Tewksbury and since confirmed into the NOAA archive, the earliest on September 6, 2025 and the most recent on September 6, 2025. It is already counted in the Tewksbury totals above; quoted below is the narrative the reporting office filed at the time.
AN EF1 TORNADO TOUCHED DOWN IN STOW... MA NEAR MAPLE STREET AND CONTINUED ENE OVER BOSE AVENUE CAUSING SIGNIFICANT TREE DAMAGE. THE TORNADO LIFTED SOMEWHERE NEAR HARVES (BOX)
Source: National Weather Service and trained-spotter local storm reports, relayed by the NOAA Storm Prediction Center.
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 Tewksbury
2 fatalities have been recorded within 25 miles of Tewksbury since 1950, across 2 events. 18 injuries have been reported across all events. 1972 was the deadliest year on record near Tewksbury.
The deadliest single event was an F3 on October 3, 1970, which caused 1 fatality along a 35.4-mile track.
Notable Tornadoes Near Tewksbury
What the record shows near Tewksbury
The 1960s were the busiest decade near Tewksbury, with 16 of the 46 confirmed tornadoes within 25 miles; the 2020s have produced 3 so far. The Tewksbury record runs from the 1950s to today.
Of the tornadoes rated near Tewksbury, 33 reached EF0 or EF1 and 13 reached EF2 or stronger. The most intense on record near Tewksbury is rated EF3, of which 2 are logged.
Across the last 20 years Tewksbury has averaged 0.3 confirmed tornadoes a year within 25 miles, 5 in total. 2021 was the busiest of them with 2, and 16 of those years passed with none at all.