Hail History

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Hail history for Mount Sinai, NY

Last hail within 10 milesAug 26, 20240.88 in (nickel)
Hail days, last 12 monthsNone
Largest hail since 20061.75 in (golf ball)Aug 4, 2015
Hail days since 200612
Days with hail 1 inch or larger8
Damaging wind reports within 10 miles77

Hail has been reported within 10 miles of Mount Sinai on 12 days since 2006. The largest stones measured 1.75 in (golf ball) on Aug 4, 2015. Hail is most common here in August and July.

Recent hail near Mount Sinai

No hail was reported within 10 miles of Mount Sinai in the last two years.

Hail days near Mount Sinai by year

106073081091101112113141151617181912021222231242526

When hail season peaks near Mount Sinai

Of the 12 hail days since 2006, most fell in August (6) and July (4).

JanFebMarApr1May1Jun4Jul6AugSepOctNovDec

Largest hail storms near Mount Sinai

Aug 15, 2008 · 1.75 in (golf ball) · Miller Place (2 mi from Mount Sinai)

National Weather Service description (English): Up to 2 inches of hail was reported covering the ground, ranging from pea to golf ball in size.

Aug 4, 2015 · 1.75 in (golf ball) · Mt Sinai (1 mi from Mount Sinai)

Jun 26, 2009 · 1.5 in (ping pong ball) · East Setauket (4 mi from Mount Sinai)

Aug 11, 2008 · 1.25 in (half dollar) · East Setauket (4 mi from Mount Sinai)

Jul 14, 2022 · 1.25 in (half dollar) · Selden (6 mi from Mount Sinai)

Damaging thunderstorm winds near Mount Sinai

77 reports of damaging thunderstorm wind within 10 miles of Mount Sinai since 2006, on 29 days. The strongest measured gust was 96 mph on Aug 4, 2015.

DateStrongest gustWhereSource
Jul 4, 2026damage reportedLake Ronkonkoma, Stony Brook, Coram
3 wind reports		NWS storm report (preliminary)
Jun 11, 202669 mph, estimatedWading River, Rocky Pt, Shoreham
6 wind reports		NOAA Storm Events
Jun 26, 202458 mph, estimatedEast Setauket
1 wind report		NOAA Storm Events
Aug 13, 202358 mph, estimatedOld Field
1 wind report		NOAA Storm Events
Jul 29, 202363 mph, estimatedStony Brook, East Setauket, Middle Is
4 wind reports		NOAA Storm Events
Sep 25, 202258 mph, estimatedSt James
1 wind report		NOAA Storm Events
Jul 26, 202264 mph, measuredOld Field
2 wind reports		NOAA Storm Events
Jul 14, 202281 mph, estimatedCentereach, Lake Ronkonkoma, Holtsville
8 wind reports		NOAA Storm Events
Feb 18, 202258 mph, estimatedCentereach
1 wind report		NOAA Storm Events
Dec 6, 202160 mph, measuredStony Brook
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 Mount Sinai; 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 Mount Sinai.

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