Hail HistoryHome › Massachusetts › Middlesex County › Acton
Hail history for Acton, MA
Hail has been reported within 10 miles of Acton on 17 days since 2006. The largest stones measured 2 in (hen egg) on Aug 4, 2015. Hail is most common here in June and August.
Recent hail near Acton
| Date | Hail size | Where |
|---|---|---|
| Jun 6, 2025 | 1 in quarter | Littleton Common 1 hail report · closest 4 mi from Acton |
One row per day: the largest hail reported that day within 10 miles, the places and the number of reports.
Hail days near Acton by year
When hail season peaks near Acton
Of the 17 hail days since 2006, most fell in June (7) and August (4).
Largest hail storms near Acton
Aug 4, 2015 · 2 in (hen egg) · Harwood (5 mi from Acton)
Jul 1, 2008 · 1.75 in (golf ball) · Stow (5 mi from Acton)
National Weather Service description (English): Windblown golf ball size hail broke a window in a house in the Birch Hill Road area.May 25, 2014 · 1.75 in (golf ball) · Harvard (8 mi from Acton)
National Weather Service description (English): Golfball size hail damaged a Massachusetts Environmental Police cruiser as they traveled between Interstate 495 and Route 2 through the center of Harvard.Mar 14, 2012 · 1.25 in (half dollar) · Littleton Common (4 mi from Acton)
Jul 11, 2006 · 1 in (quarter) · Billerica (10 mi from Acton)
Tornadoes within 10 miles of Acton
| Date | Rating | Where |
|---|---|---|
| Sep 6, 2025 | EF0 | Hudson 7 mi from Acton |
| Aug 23, 2021 | EF0 | East Bolton 7 mi from Acton |
| Aug 23, 2021 | EF0 | Stow 5 mi from Acton |
| Aug 22, 2016 | EF1 | Concord 5 mi from Acton |
Damaging thunderstorm winds near Acton
160 reports of damaging thunderstorm wind within 10 miles of Acton since 2006, on 65 days. The strongest measured gust was 64 mph on Nov 15, 2020.
| Date | Strongest gust | Where |
|---|---|---|
| Jul 16, 2026 | damage reported | Bedford, Concord, Chelmsford 3 wind reports |
| May 19, 2026 | 58 mph, estimated | Hudson, West Concord, Pine Rest 4 wind reports |
| Sep 6, 2025 | 59 mph, measured | Hanscom Field Bed, Hudson, Gleasondale 6 wind reports |
| Jun 6, 2025 | 58 mph, estimated | Devenscrest, Ayer 2 wind reports |
| May 3, 2025 | 58 mph, estimated | Bolton 2 wind reports |
| Aug 15, 2024 | 58 mph, estimated | Acton, South Sudbury, Carlisle Station 6 wind reports |
| Jul 17, 2024 | 58 mph, estimated | West Concord, Forge Vlg 3 wind reports |
| Sep 8, 2023 | 58 mph, estimated | Bolton, East Acton, Concord 7 wind reports |
| Jul 14, 2023 | 70 mph, estimated | Nobscot 1 wind report |
| Jun 2, 2023 | 60 mph, estimated | Ordway 1 wind report |
Severe thunderstorm wind means gusts of 58 mph or more, or wind that caused damage. Measured gusts come from weather stations; estimated ones from spotters and damage surveys.
Filing a roof or car hail claim?
Insurers ask for the date of loss. The dates on this page are when hail was reported near Acton; hail can hit one street and miss the next, so a report is not proof of damage at your address. A licensed roofer or your insurance adjuster can inspect the roof. Many policies set a time limit for filing a claim — check yours.
Nearby cities
- Lowell
22 hail days - Cambridge
31 hail days - Boston
29 hail days - Dorchester
25 hail days - Worcester
31 hail days - Quincy
20 hail days - Brockton
15 hail days - Manchester
25 hail days
Data: NOAA NCEI Storm Events Database (final records through Jun 30, 2026) and National Weather Service Local Storm Reports (preliminary, since then). Distances are measured from the center of Acton.
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