Hail HistoryHome › Massachusetts › Middlesex County › Chelmsford
Hail history for Chelmsford, MA
Hail has been reported within 10 miles of Chelmsford on 22 days since 2006. The largest stones measured 2 in (hen egg) on Aug 4, 2015. Hail is most common here in June and July.
Recent hail near Chelmsford
| Date | Hail size | Where |
|---|---|---|
| Jun 6, 2025 | 1 in quarter | Littleton Common 1 hail report · closest 7 mi from Chelmsford |
One row per day: the largest hail reported that day within 10 miles, the places and the number of reports.
Hail days near Chelmsford by year
When hail season peaks near Chelmsford
Of the 22 hail days since 2006, most fell in June (7) and July (7).
Largest hail storms near Chelmsford
Aug 4, 2015 · 2 in (hen egg) · Harwood (8 mi from Chelmsford)
May 10, 2007 · 1.25 in (half dollar) · Pelham (9 mi from Chelmsford)
Mar 14, 2012 · 1.25 in (half dollar) · Littleton Common (7 mi from Chelmsford)
Jul 7, 2021 · 1.25 in (half dollar) · Pelham (10 mi from Chelmsford)
Aug 15, 2024 · 1.25 in (half dollar) · Long Hill (10 mi from Chelmsford)
Tornadoes within 10 miles of Chelmsford
| Date | Rating | Where |
|---|---|---|
| Aug 22, 2016 | EF1 | Concord 10 mi from Chelmsford |
Damaging thunderstorm winds near Chelmsford
133 reports of damaging thunderstorm wind within 10 miles of Chelmsford since 2006, on 63 days. The strongest measured gust was 64 mph on Nov 15, 2020.
| Date | Strongest gust | Where |
|---|---|---|
| Jul 16, 2026 | damage reported | Bedford, Chelmsford, Lowell 3 wind reports |
| May 19, 2026 | 58 mph, estimated | West Concord 1 wind report |
| Sep 6, 2025 | 59 mph, measured | Hanscom Field Bed, Riverside 2 wind reports |
| Aug 13, 2025 | 58 mph, estimated | Dunstable 1 wind report |
| Jul 20, 2025 | 58 mph, estimated | Dracut 2 wind reports |
| May 3, 2025 | 58 mph, estimated | Tew Mac Airport 1 wind report |
| Aug 15, 2024 | 58 mph, estimated | Acton, Frederick Corner, Long Hill 8 wind reports |
| Jul 17, 2024 | 58 mph, estimated | Forge Vlg, North Chelmsford 3 wind reports |
| Jun 20, 2024 | 58 mph, estimated | Westlands 1 wind report |
| Sep 8, 2023 | 58 mph, estimated | East Acton, Acton, Carlisle 7 wind reports |
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 Chelmsford; 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 - Lynn
23 hail days - Dorchester
25 hail days - Manchester
25 hail days - Quincy
20 hail days - Worcester
31 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 Chelmsford.
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