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Hail history for Cedar Knolls, NJ

Last hail within 10 milesAug 6, 20241 in (quarter)

Hail days, last 12 monthsNone

Largest hail since 20061.75 in (golf ball)Jul 7, 2013

Hail days since 200624

Days with hail 1 inch or larger14

Tornadoes within 10 miles4

Damaging wind reports within 10 miles251

Hail has been reported within 10 miles of Cedar Knolls on 24 days since 2006. The largest stones measured 1.75 in (golf ball) on Jul 7, 2013. Hail is most common here in June and July.

Recent hail near Cedar Knolls

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

Hail days near Cedar Knolls by year

When hail season peaks near Cedar Knolls

Of the 24 hail days since 2006, most fell in June (6) and July (5).

Largest hail storms near Cedar Knolls

Dec 9, 2009 · 1.75 in (golf ball) · Caldwell (8 mi from Cedar Knolls)

National Weather Service description (English): Golf ball size hail was reported in West Caldwell.

Jul 7, 2013 · 1.75 in (golf ball) · Hopatcong Jct (9 mi from Cedar Knolls)

National Weather Service description (English): A severe thunderstorm dropped golfball size hail in Mine Hill Township, Morris County at 8:12 p.m. EDT on the 7th, resulting in cracked vehicle windshields and damaged porch furniture.

May 28, 2019 · 1.25 in (half dollar) · Mt Tabor (4 mi from Cedar Knolls)

Oct 11, 2010 · 1 in (quarter) · Caldwell (8 mi from Cedar Knolls)

Aug 19, 2011 · 1 in (quarter) · Morristown (2 mi from Cedar Knolls)

Tornadoes within 10 miles of Cedar Knolls

Date	Rating	Where	Path
Jul 21, 2026	EF?	Pine Brook 7 mi from Cedar Knolls
Aug 19, 2021	EF0	Rockaway 7 mi from Cedar Knolls	0.9 mi long, 50 yd wide
Nov 1, 2019	EF1	Green Vlg 6 mi from Cedar Knolls	4.9 mi long, 150 yd wide
Jul 1, 2013	EF0	Berkeley Hgts 10 mi from Cedar Knolls	4.8 mi long, 50 yd wide

Damaging thunderstorm winds near Cedar Knolls

251 reports of damaging thunderstorm wind within 10 miles of Cedar Knolls since 2006, on 103 days. The strongest measured gust was 66 mph on May 15, 2018.

Date	Strongest gust	Where	Source
Sep 1, 2026	damage reported	Boonton, Morris Twp 2 wind reports	NWS storm report (preliminary)
Aug 7, 2026	damage reported	Chatham 1 wind report	NWS storm report (preliminary)
Jul 3, 2026	damage reported	New Vernon, Chatham, Randolph 6 wind reports	NWS storm report (preliminary)
Jun 11, 2026	58 mph, estimated	Mendham, Morristown 2 wind reports	NOAA Storm Events
Jun 6, 2026	63 mph, estimated	Summit, Denville, Montville 8 wind reports	NOAA Storm Events
Mar 16, 2026	58 mph, estimated	Dover 1 wind report	NOAA Storm Events
Mar 11, 2026	58 mph, estimated	Hopatcong Jct, Mendham, New Vernon 3 wind reports	NOAA Storm Events
Dec 19, 2025	63 mph, estimated	Towaco 1 wind report	NOAA Storm Events
Jul 25, 2025	63 mph, estimated	New Providence, Beaufort, West Orange 8 wind reports	NOAA Storm Events
Jun 19, 2025	58 mph, estimated	New Vernon 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 Cedar Knolls; 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 Cedar Knolls.

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