Hail History

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Hail history for Watertown Square, MA

Last hail within 10 milesAug 23, 20200.75 in (penny)
Hail days, last 12 monthsNone
Largest hail since 20062 in (hen egg)Aug 4, 2015
Hail days since 200625
Days with hail 1 inch or larger11
Tornadoes within 10 miles1
Damaging wind reports within 10 miles320

Hail has been reported within 10 miles of Watertown Square on 25 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 Watertown Square

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

Hail days near Watertown Square by year

1060740810921011141231311421511621718119220212223242526

When hail season peaks near Watertown Square

Of the 25 hail days since 2006, most fell in June (9) and August (8).

JanFebMarApr3May9Jun3Jul8Aug1Sep1OctNovDec

Largest hail storms near Watertown Square

Aug 4, 2015 · 2 in (hen egg) · Bleachery (3 mi from Watertown Square)

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 Square)

Jun 23, 2006 · 1 in (quarter) · Dorchester (8 mi from Watertown Square)

Jun 24, 2008 · 1 in (quarter) · North Woburn (9 mi from Watertown Square)

Jul 2, 2008 · 1 in (quarter) · Cambridge (4 mi from Watertown Square)

Tornadoes within 10 miles of Watertown Square

DateRatingWherePath
Jul 28, 2014EF2Chelsea
9 mi from Watertown Square		1.9 mi long, 660 yd wide

Damaging thunderstorm winds near Watertown Square

320 reports of damaging thunderstorm wind within 10 miles of Watertown Square since 2006, on 95 days. The strongest measured gust was 72 mph on Jul 31, 2019.

DateStrongest gustWhereSource
Jul 16, 2026damage reportedBedford, Stoneham
2 wind reports		NWS storm report (preliminary)
May 19, 202658 mph, estimatedNeedham
1 wind report		NOAA Storm Events
Sep 6, 202559 mph, measuredHanscom Field Bed, North Sudbury, Cherry Brook
3 wind reports		NOAA Storm Events
Jul 25, 202558 mph, estimatedNewton Lower Falls, Newton, Stony Brook
6 wind reports		NOAA Storm Events
Jul 20, 202558 mph, estimatedWeston, Back Bay Annex
2 wind reports		NOAA Storm Events
May 3, 202558 mph, estimatedNorth Woburn
1 wind report		NOAA Storm Events
Aug 15, 202458 mph, estimatedWellesley Fells
1 wind report		NOAA Storm Events
Jun 20, 202458 mph, estimatedNorth Woburn
1 wind report		NOAA Storm Events
Jun 14, 202458 mph, estimatedAllston
1 wind report		NOAA Storm Events
Jul 27, 202358 mph, estimatedBack 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 Square; 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

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 Square.

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