Hail History

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Hail history for Watertown, MA

Haili ijiin 10 mileAug 23, 20200.75 in (1-sent coin)
Ane haili, 12 mwwoon ijiinNone
Haili ane pwon ijiin 20062.00 in (hen egg)Aug 4, 2015
Ane haili ijiin 200625
Ane haili 1 inch o pwon11
Tornado ijiin 10 mile2
Wind reports within 10 miles321

Hail has been reported within 10 miles of Watertown on 25 days since 2006. The largest stones measured 2.00 in (hen egg) on Aug 4, 2015. Hail is most common here in June and August.

Watertown ranks #742 for hail days among the 1,399 U.S. cities of 25,000 to 100,000 people. Ara ranking →

Recent hail near Watertown

No hail was reported within 10 miles of Watertown in the last two years.

Nn̄an anam̄mool ekkar Watertown meir

1060740810921011141231311421511621718119220212223242526

Ka anam̄mool ekkar kaan Watertown

Of 25 nn̄an anam̄mool ekkar 2006, most fell in June (9) and August (8).

JanFebMarApr3May9Jun3Jul8Aug1Sep1OctNovDec

Anam̄mool ekkar kaan Watertown

Aug 4, 2015 · 2.00 in (hen egg) · Bleachery (3 mi from Watertown)

National Weather Service description (English): Golf ball size hail fell in Harvard Square.

Jul 18, 2012 · 1.75 in (golf ball) · Farm Hill (8 mi from Watertown)

Jun 23, 2006 · 1.00 in (25-sent coin) · Dorchester (8 mi from Watertown)

Jun 24, 2008 · 1.00 in (25-sent coin) · North Woburn (8 mi from Watertown)

Jul 2, 2008 · 1.00 in (25-sent coin) · Cambridge (4 mi from Watertown)

Tornadoes within 10 miles of Watertown

DateRatingWherePath
Aug 22, 2016EF1Concord
10 mi from Watertown		0.8 mi long, 400 yd wide
Jul 28, 2014EF2Chelsea
8 mi from Watertown		1.9 mi long, 660 yd wide

Damaging thunderstorm winds near Watertown

321 reports of damaging thunderstorm wind within 10 miles of Watertown since 2006, on 96 days. The strongest measured gust was 72 mph on Jul 31, 2019.

DateStrongest gustWhereSource
Jul 16, 2026damage a reportedBedford, Stoneham
2 wind reports		NWS storm report (preliminary)
May 19, 202658 mph, a estimatNeedham
1 wind report		NOAA Storm Events
Sep 6, 202559 mph, a measuredHanscom Field Bed, North Sudbury, Cherry Brook
3 wind reports		NOAA Storm Events
Jul 25, 202558 mph, a estimatNewton Lower Falls, Newton, Stony Brook
6 wind reports		NOAA Storm Events
Jul 20, 202558 mph, a estimatWeston, Back Bay Annex
2 wind reports		NOAA Storm Events
May 3, 202558 mph, a estimatNorth Woburn
1 wind report		NOAA Storm Events
Aug 15, 202458 mph, a estimatWellesley Fells
1 wind report		NOAA Storm Events
Jun 20, 202458 mph, a estimatNorth Woburn
1 wind report		NOAA Storm Events
Jun 14, 202458 mph, a estimatAllston
1 wind report		NOAA Storm Events
Jul 27, 202358 mph, a estimatBack Bay Annex
1 wind report		NOAA Storm Events

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 Watertown; 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.

Cities nearby

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 Watertown.

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