Hail History

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Hail history for Bryn Mawr, PA

Last hail within 10 milesMay 13, 20261 in (quarter)
Hail days, last 12 months3
Largest hail since 20062 in (hen egg)Mar 28, 2020
Hail days since 200642
Days with hail 1 inch or larger23
Tornadoes within 10 miles7
Damaging wind reports within 10 miles366

Hail has been reported within 10 miles of Bryn Mawr on 42 days since 2006. The largest stones measured 2 in (hen egg) on Mar 28, 2020. Hail is most common here in June and May.

Recent hail near Bryn Mawr

DateHail sizeWhereSource
May 13, 20261 in
quarter		Finleyville
1 hail report · closest 5 mi from Bryn Mawr		NOAA Storm Events
Mar 26, 20261 in
quarter		Linden
1 hail report · closest 5 mi from Bryn Mawr		NOAA Storm Events
Mar 7, 20261 in
quarter		Gastonville
1 hail report · closest 6 mi from Bryn Mawr		NOAA Storm Events
Apr 2, 20250.75 in
penny		Dravosburg
1 hail report · closest 10 mi from Bryn Mawr		NOAA Storm Events
Mar 16, 20250.75 in
penny		Gastonville
1 hail report · closest 3 mi from Bryn Mawr		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 Bryn Mawr by year

4062071083093101111124131411511611731821922022122223424225326

When hail season peaks near Bryn Mawr

Of the 42 hail days since 2006, most fell in June (12) and May (7).

JanFeb6Mar7Apr7May12Jun3Jul4Aug2Sep1OctNovDec

Largest hail storms near Bryn Mawr

Mar 28, 2020 · 2 in (hen egg) · Mc Donald (9 mi from Bryn Mawr)

National Weather Service description (English): Hail reported via social media; dents were made on cars.

Mar 23, 2011 · 1.75 in (golf ball) · East Carnegie (8 mi from Bryn Mawr)

Apr 10, 2013 · 1.75 in (golf ball) · Sygan (3 mi from Bryn Mawr)

May 12, 2018 · 1.75 in (golf ball) · Thomas (5 mi from Bryn Mawr)

Sep 28, 2019 · 1.5 in (ping pong ball) · Bridgeville (5 mi from Bryn Mawr)

Tornadoes within 10 miles of Bryn Mawr

DateRatingWherePath
May 17, 2024EF?Allegheny Co Airport
9 mi from Bryn Mawr		0.6 mi long, 50 yd wide
May 17, 2024EF0Ehama
9 mi from Bryn Mawr		5.4 mi long, 75 yd wide
May 17, 2024EF0Webster
9 mi from Bryn Mawr		0.5 mi long, 75 yd wide
May 11, 2024EF2Bower Hill
3 mi from Bryn Mawr		5.8 mi long, 200 yd wide
Oct 21, 2021EF1Thomas
4 mi from Bryn Mawr		1.5 mi long, 200 yd wide
Jun 3, 2018EF0Finleyville
6 mi from Bryn Mawr		0.1 mi long, 15 yd wide
Sep 27, 2012EF0Eighty Four
9 mi from Bryn Mawr		1.5 mi long, 150 yd wide

Damaging thunderstorm winds near Bryn Mawr

366 reports of damaging thunderstorm wind within 10 miles of Bryn Mawr since 2006, on 123 days. The strongest measured gust was 77 mph on Nov 20, 2024.

DateStrongest gustWhereSource
Sep 12, 2026damage reportedEighty Four, Gastonville
2 wind reports		NWS storm report (preliminary)
Sep 3, 2026damage reportedHickory, Canonsburg, Cecil-Bishop
7 wind reports		NWS storm report (preliminary)
Aug 16, 2026damage reportedEighty Four
1 wind report		NWS storm report (preliminary)
Aug 10, 202640 mph, measuredWest Mifflin, Jefferson, South Park Townshi
3 wind reports		NWS storm report (preliminary)
Jul 18, 2026damage reportedCecil-Bishop, McMurray, Thompsonville
3 wind reports		NWS storm report (preliminary)
Jun 14, 202660 mph, measuredCarnegie, Morganza
2 wind reports		NOAA Storm Events
Mar 7, 202658 mph, estimatedGambles, Thomas, Dormont
3 wind reports		NOAA Storm Events
Jun 26, 202558 mph, estimatedMc Donald, Finleyville
2 wind reports		NOAA Storm Events
Jun 25, 202558 mph, estimatedBaidland
1 wind report		NOAA Storm Events
May 21, 202569 mph, estimatedGastonville, Finleyville
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 Bryn Mawr; 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 Bryn Mawr.

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