Hail History

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Hail history for Green Knoll, NJ

Last hail within 10 milesSep 6, 20250.88 in (nickel)
Hail days, last 12 monthsNone
Largest hail since 20061.75 in (golf ball)Aug 17, 2007
Hail days since 200618
Days with hail 1 inch or larger9
Tornadoes within 10 miles2
Damaging wind reports within 10 miles264

Hail has been reported within 10 miles of Green Knoll on 18 days since 2006. The largest stones measured 1.75 in (golf ball) on Aug 17, 2007. Hail is most common here in July and August.

Recent hail near Green Knoll

DateHail sizeWhereSource
Sep 6, 20250.88 in
nickel		Woods Tavern
1 hail report · closest 8 mi from Green Knoll		NOAA Storm Events

One row per day: the largest hail reported that day within 10 miles, the places and the number of reports.

Hail days near Green Knoll by year

106207080911011131213114151621718219120212222312412526

When hail season peaks near Green Knoll

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

JanFebMar3Apr2May2Jun6Jul3Aug1Sep1OctNovDec

Largest hail storms near Green Knoll

Aug 17, 2007 · 1.75 in (golf ball) · Flagtown (7 mi from Green Knoll)

National Weather Service description (English): Golf ball size hail fell from a severe thunderstorm in Hillsborough Township. The hail nearly covered the ground.

Jul 23, 2012 · 1.25 in (half dollar) · Bedminster (6 mi from Green Knoll)

Jul 18, 2006 · 1 in (quarter) · Liberty Corner (5 mi from Green Knoll)

Oct 11, 2010 · 1 in (quarter) · South Bound Brook (7 mi from Green Knoll)

Jul 7, 2011 · 1 in (quarter) · Whitehouse Station (8 mi from Green Knoll)

Tornadoes within 10 miles of Green Knoll

DateRatingWherePath
Jun 26, 2023EF1Bernardsville
8 mi from Green Knoll		1.4 mi long, 475 yd wide
Jul 25, 2016EF1Readington Airport
6 mi from Green Knoll		3.5 mi long, 75 yd wide

Damaging thunderstorm winds near Green Knoll

264 reports of damaging thunderstorm wind within 10 miles of Green Knoll since 2006, on 112 days. The strongest measured gust was 64 mph on Apr 15, 2014.

DateStrongest gustWhereSource
Aug 7, 202647 mph, measuredBridgewater, Somerville, Hillsborough Twp
5 wind reports		NWS storm report (preliminary)
Jul 3, 2026damage reportedWhitehouse Station, Far Hills
2 wind reports		NWS storm report (preliminary)
Jun 11, 202658 mph, estimatedBerkeley Hgts
1 wind report		NOAA Storm Events
Jun 6, 202663 mph, estimatedRaritan, Oldwick
2 wind reports		NOAA Storm Events
May 20, 202658 mph, estimatedMiddlesex
1 wind report		NOAA Storm Events
Mar 16, 202658 mph, estimatedBelle Mead, Clyde, Flagtown
5 wind reports		NOAA Storm Events
Dec 19, 202558 mph, estimatedWhitehouse Station
1 wind report		NOAA Storm Events
Sep 6, 202563 mph, estimatedEast Millstone, Clyde, Woods Tavern
4 wind reports		NOAA Storm Events
Aug 13, 202558 mph, estimatedBranchburg Park, Bedminster
2 wind reports		NOAA Storm Events
Jul 31, 202558 mph, estimatedBound Brook, Green Brook
2 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 Green Knoll; 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 Green Knoll.

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