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Hail history for Norristown, PA

Last hail within 10 milesAug 20, 20260.75 in (penny)

Hail days, last 12 months3

Largest hail since 20061.75 in (golf ball)Jun 6, 2023

Hail days since 200638

Days with hail 1 inch or larger18

Tornadoes within 10 miles3

Damaging wind reports within 10 miles390

Hail has been reported within 10 miles of Norristown on 38 days since 2006. The largest stones measured 1.75 in (golf ball) on Jun 6, 2023. Hail is most common here in June and July.

Norristown ranks #439 for hail days among the 1,399 U.S. cities of 25,000 to 100,000 people. See the ranking →

Recent hail near Norristown

Date	Hail size	Where	Source
Aug 20, 2026	0.75 in penny	Plymouth Meeting 2 hail reports · closest 3 mi from Norristown	NWS storm report (preliminary)
Jul 27, 2026	0.5 in marble	Chestnut Hill 1 hail report · closest 7 mi from Norristown	NWS storm report (preliminary)
May 20, 2026	1 in quarter	Wayne 1 hail report · closest 6 mi from Norristown	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 Norristown by year

When hail season peaks near Norristown

Of the 38 hail days since 2006, most fell in June (13) and July (10).

Largest hail storms near Norristown

Jun 24, 2010 · 1.75 in (golf ball) · Oakmont (10 mi from Norristown)

National Weather Service description (English): The same severe thunderstorm produced a swath of large hail (quarter to golf ball size) across eastern Delaware County from Haverford Township south through Yeadon Borough. The largest hail (golf ball size) was reported in Yeadon and ping pong ball size hail (1.5 inches in diameter) was reported in Drexel Hill in Upper Darby Township.

Jun 6, 2023 · 1.75 in (golf ball) · King Of Prussia (3 mi from Norristown)

National Weather Service description (English): Trained spotter reports 1.75 inch hail. Time given in report.

Jul 29, 2009 · 1.5 in (ping pong ball) · Mont Clare (9 mi from Norristown)

Aug 25, 2006 · 1.25 in (half dollar) · King Of Prussia (3 mi from Norristown)

Jul 6, 2020 · 1.25 in (half dollar) · Mont Clare (9 mi from Norristown)

Tornadoes within 10 miles of Norristown

Date	Rating	Where	Path
Sep 1, 2021	EF2	Flourtown 5 mi from Norristown	8.3 mi long, 400 yd wide
Nov 30, 2020	EF0	Montgomeryville Airport 9 mi from Norristown	0.9 mi long, 100 yd wide
Aug 4, 2020	EF0	Hartranft 3 mi from Norristown	3.1 mi long, 200 yd wide

Damaging thunderstorm winds near Norristown

390 reports of damaging thunderstorm wind within 10 miles of Norristown since 2006, on 145 days. The strongest measured gust was 72 mph on Jun 21, 2017.

Date	Strongest gust	Where	Source
Jul 28, 2026	damage reported	Phoenixville 1 wind report	NWS storm report (preliminary)
Jul 18, 2026	damage reported	North Wales 1 wind report	NWS storm report (preliminary)
Jul 11, 2026	60 mph, estimated	Haverford, Ardmore, Plymouth Meeting 5 wind reports	NWS storm report (preliminary)
Jul 4, 2026	damage reported	Gladwyne, Lansdale 2 wind reports	NWS storm report (preliminary)
Jun 22, 2026	58 mph, estimated	Betzwood, Howellville, Miquon 3 wind reports	NOAA Storm Events
Jun 14, 2026	58 mph, estimated	Radnor, Roxborough, Chestnut Hill 3 wind reports	NOAA Storm Events
Jun 11, 2026	58 mph, estimated	Chestnut Hill 1 wind report	NOAA Storm Events
Mar 16, 2026	58 mph, estimated	Collegeville, Eagleville, Creamery 4 wind reports	NOAA Storm Events
Dec 19, 2025	64 mph, estimated	Abrams, Shawmont 2 wind reports	NOAA Storm Events
Jul 8, 2025	58 mph, estimated	Phoenixville, Chesterbrook, Berwyn 10 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 Norristown; 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 Norristown.

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