Hail History

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Hail history for Mercerville-Hamilton Square, NJ

Last hail within 10 milesApr 1, 20231.5 in (ping pong ball)
Hail days, last 12 monthsNone
Largest hail since 20061.75 in (golf ball)Jul 23, 2008
Hail days since 200618
Days with hail 1 inch or larger9
Tornadoes within 10 miles12
Damaging wind reports within 10 miles252

Hail has been reported within 10 miles of Mercerville-Hamilton Square on 18 days since 2006. The largest stones measured 1.75 in (golf ball) on Jul 23, 2008. Hail is most common here in July and August.

Recent hail near Mercerville-Hamilton Square

No hail was reported within 10 miles of Mercerville-Hamilton Square in the last two years.

Hail days near Mercerville-Hamilton Square by year

06071084091101111121311415216217182191202122223242526

When hail season peaks near Mercerville-Hamilton Square

Of the 18 hail days since 2006, most fell in July (6) and August (3).

Jan1Feb1Mar3Apr2May1Jun6Jul3AugSep1OctNovDec

Largest hail storms near Mercerville-Hamilton Square

Jul 23, 2008 · 1.75 in (golf ball) · Pennington (9 mi from Mercerville-Hamilton Square)

Jul 6, 2020 · 1.5 in (ping pong ball) · White Horse (2 mi from Mercerville-Hamilton Square)

Apr 1, 2023 · 1.5 in (ping pong ball) · Allentown (6 mi from Mercerville-Hamilton Square)

May 29, 2019 · 1.25 in (half dollar) · Groveville (4 mi from Mercerville-Hamilton Square)

Mar 29, 2009 · 1 in (quarter) · Hamilton Square (1 mi from Mercerville-Hamilton Square)

Tornadoes within 10 miles of Mercerville-Hamilton Square

DateRatingWherePath
Jun 14, 2024EF0Slackwood
3 mi from Mercerville-Hamilton Square		0.1 mi long, 60 yd wide
Apr 1, 2023EF1Crosswicks
6 mi from Mercerville-Hamilton Square		0.7 mi long, 300 yd wide
Apr 1, 2023EF1Crosswicks
6 mi from Mercerville-Hamilton Square		0.1 mi long, 300 yd wide
Apr 1, 2023EF1North Crosswicks
6 mi from Mercerville-Hamilton Square		0.1 mi long, 300 yd wide
Apr 1, 2023EF1North Crosswicks
6 mi from Mercerville-Hamilton Square		1.8 mi long, 300 yd wide
Apr 1, 2023EF1Allentown
7 mi from Mercerville-Hamilton Square		0.1 mi long, 300 yd wide
Apr 1, 2023EF1Allentown
8 mi from Mercerville-Hamilton Square		4.0 mi long, 550 yd wide
Feb 21, 2023EF2Lewisville
4 mi from Mercerville-Hamilton Square		5.8 mi long, 200 yd wide
Sep 1, 2021EF0Clarksville
5 mi from Mercerville-Hamilton Square		2.6 mi long, 100 yd wide
Jul 29, 2021EF1Robbinsville Airport
5 mi from Mercerville-Hamilton Square		1.6 mi long, 100 yd wide
Aug 7, 2019EF0Windsor
7 mi from Mercerville-Hamilton Square		0.3 mi long, 25 yd wide
Aug 28, 2011EF0Hightstown
7 mi from Mercerville-Hamilton Square		0.6 mi long, 30 yd wide

Damaging thunderstorm winds near Mercerville-Hamilton Square

252 reports of damaging thunderstorm wind within 10 miles of Mercerville-Hamilton Square since 2006, on 124 days. The strongest measured gust was 71 mph on Apr 1, 2023.

DateStrongest gustWhereSource
Aug 20, 2026damage reportedFairless Hills
1 wind report		NWS storm report (preliminary)
Aug 7, 202645 mph, measuredTullytown, West Windsor Twp.
2 wind reports		NWS storm report (preliminary)
Jul 18, 2026damage reportedHamilton Square
1 wind report		NWS storm report (preliminary)
Jul 4, 2026damage reportedWashington Crossi
1 wind report		NWS storm report (preliminary)
Jul 3, 2026damage reportedTullytown, Ewing
2 wind reports		NWS storm report (preliminary)
Jun 22, 202658 mph, estimatedMorrisville, East Trenton
2 wind reports		NOAA Storm Events
Jun 14, 202658 mph, estimatedFairless, White Horse, Princeton
3 wind reports		NOAA Storm Events
Jun 6, 202658 mph, estimatedFieldsboro, Ewing Township
2 wind reports		NOAA Storm Events
May 20, 202658 mph, estimatedBordentown, Pennington
2 wind reports		NOAA Storm Events
Mar 16, 202658 mph, measuredEast Trenton, Trenton Airport, Ajax Park
6 wind reports		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 Mercerville-Hamilton 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 Mercerville-Hamilton Square.

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