Hail History

Home › Connecticut › Northwest Harwinton

Hail history for Northwest Harwinton, CT

Last hail within 10 milesJul 4, 20261.75 in (golf ball)
Hail days, last 12 months1
Largest hail since 20063 in (tea cup)Jul 4, 2026
Hail days since 200631
Days with hail 1 inch or larger18
Tornadoes within 10 miles6
Damaging wind reports within 10 miles173

Hail has been reported within 10 miles of Northwest Harwinton on 31 days since 2006. The largest stones measured 3 in (tea cup) on Jul 4, 2026. Hail is most common here in June and July.

Recent hail near Northwest Harwinton

DateHail sizeWhereSource
Jul 4, 20263 in
tea cup		Bristol, Terryville
3 hail reports · closest 8 mi from Northwest Harwinton		NWS storm report (preliminary)
Sep 6, 20251 in
quarter		Bantam
1 hail report · closest 9 mi from Northwest Harwinton		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 Northwest Harwinton by year

30630760840921041121211311415161171819201212212324125126

When hail season peaks near Northwest Harwinton

Of the 31 hail days since 2006, most fell in June (10) and July (10).

JanFebMar1Apr4May10Jun10Jul3Aug3SepOctNovDec

Largest hail storms near Northwest Harwinton

Jul 4, 2026 · 3 in (tea cup) · Bristol (10 mi from Northwest Harwinton)

Jun 26, 2009 · 2 in (hen egg) · Burlington (6 mi from Northwest Harwinton)

National Weather Service description (English): Hail one to two inches in diameter fell in Burlington.

Jul 7, 2009 · 1.75 in (golf ball) · Bakersville (4 mi from Northwest Harwinton)

National Weather Service description (English): Golf ball size hail was reported in Bakersville during a thunderstorm.

Jul 21, 2010 · 1.75 in (golf ball) · Litchfield (6 mi from Northwest Harwinton)

National Weather Service description (English): Hail ranging from a half an inch up to golf ball size was reported during a thunderstorm throughout the Town of Litchfield.

Jun 9, 2011 · 1.5 in (ping pong ball) · West Torrington (5 mi from Northwest Harwinton)

Tornadoes within 10 miles of Northwest Harwinton

DateRatingWherePath
Jun 21, 2024EF0Harwinton
1 mi from Northwest Harwinton		2.0 mi long, 250 yd wide
Jul 21, 2010EF1Thomaston
6 mi from Northwest Harwinton		0.2 mi long, 50 yd wide
Jul 21, 2010EF1Thomaston
6 mi from Northwest Harwinton		0.4 mi long, 50 yd wide
Jul 21, 2010EF1Terryville
7 mi from Northwest Harwinton		0.6 mi long, 50 yd wide
Jul 21, 2010EF1Bristol
9 mi from Northwest Harwinton		1.7 mi long, 25 yd wide
Jul 21, 2010EF1East Litchfield
3 mi from Northwest Harwinton		0.2 mi long, 100 yd wide

Damaging thunderstorm winds near Northwest Harwinton

173 reports of damaging thunderstorm wind within 10 miles of Northwest Harwinton since 2006, on 83 days. The strongest measured gust was 56 mph on Jul 4, 2026.

DateStrongest gustWhereSource
Aug 7, 2026damage reportedBristol
1 wind report		NWS storm report (preliminary)
Jul 4, 202656 mph, measuredBurlington, Bristol, Torrington
5 wind reports		NWS storm report (preliminary)
Jun 11, 202658 mph, estimatedBantam
1 wind report		NOAA Storm Events
May 19, 202658 mph, estimatedBurlington
1 wind report		NOAA Storm Events
Apr 15, 202658 mph, estimatedTorringford
1 wind report		NOAA Storm Events
Sep 6, 202558 mph, estimatedThomaston, Collinsville
2 wind reports		NOAA Storm Events
Jul 8, 202558 mph, estimatedBantam
1 wind report		NOAA Storm Events
Jun 19, 202558 mph, estimatedEast Plymouth, Pequabuck, Burlington
6 wind reports		NOAA Storm Events
May 3, 202558 mph, estimatedGoshen, Torrington, Bakersville
4 wind reports		NOAA Storm Events
Jun 30, 202458 mph, estimatedNewfield, Canton
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 Northwest Harwinton; 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 Northwest Harwinton.

Run a roofing company or a local news site? Show Northwest Harwinton's hail history on your website with our free widget →

Roofing or restoration company? Get an email within the hour when hail is reported near Northwest Harwinton with our hail alerts ($29 a month) →