Tornadoes in Middlesex County
The Storm Prediction Center records 27 tornadoes whose paths touched Middlesex County, Massachusetts between 1953 and 2025. They killed 96 people and injured 1,240. The busiest month is July, with 8 tornadoes. The strongest was an F4 on 9 June 1953. The most recent was on 6 September 2025.
- 27tornadoes
- 96deaths
- 1,240injuries
- 330per 10,000 sq mi of land
A tornado that crossed several counties counts in each one, so county counts add up to more than the state's.
How strong were the tornadoes in Middlesex County?
| Rating | Tornadoes | Share |
|---|---|---|
| F0 / EF0 | 5 | 19% |
| F1 / EF1 | 14 | 52% |
| F2 / EF2 | 5 | 19% |
| F3 / EF3 | 2 | 7% |
| F4 / EF4 | 1 | 4% |
| F5 / EF5 | 0 | 0% |
| Unknown rating | 0 | 0% |
Middlesex County tornadoes over time
The 2020s only run to 2025, so that bar is for a shorter period. The record starts in 1950.
Show the numbers
| Period | Count |
|---|---|
| 1950s | 7 |
| 1960s | 4 |
| 1970s | 9 |
| 1980s | 3 |
| 2010s | 1 |
| 2020s | 3 |
Show the numbers
| Period | Count |
|---|---|
| Jan | 0 |
| Feb | 0 |
| Mar | 0 |
| Apr | 0 |
| May | 2 |
| Jun | 3 |
| Jul | 8 |
| Aug | 7 |
| Sep | 3 |
| Oct | 2 |
| Nov | 1 |
| Dec | 1 |
Records for Middlesex County
- Deadliest and Strongest: Framingham, Massachusetts tornado9 June 1953, F4, 94 deaths, 1,228 injuries, 34.9 miles long
- Longest path: Leominster, Massachusetts tornado3 October 1970, F3, 1 death, 35.4 miles long
- Most recent: Massachusetts tornado6 September 2025, EF0, 2.4 miles long
Notable tornadoes in Middlesex County
- Framingham, Massachusetts tornado9 June 1953, F4, 94 deaths, 1,228 injuries, 34.9 miles long
- Leominster, Massachusetts tornado3 October 1970, F3, 1 death, 35.4 miles long
Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.