Hail history for Chester County, Pennsylvania
Every NOAA hail report filed in Chester County since 1967, with preliminary National Weather Service reports to November 3, 2026.
Readout · Chester County
- Last hail
- Jun 22, 2026
- 1.00 in, quarter size
- Hail days, last 5 years
- 9
- since Nov 3, 2021 · 9 reports
- Largest ever
- 2.75 in
- baseball · May 29, 1995
102 reports on 70 days since 1967 · #18 of 68 Pennsylvania counties
Hail map · Chester County
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
Roof damage after hail? Get a free inspection
Hail bruises shingles and cracks seals in ways you can't see from the ground, and most insurers set a claim deadline after the storm. The latest hail report in Chester County is from June 22, 2026. A local roofer can check and document it at no cost.
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What the record says about Chester County
The latest hail report in Chester County is from June 22, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 9 separate hail days; the biggest stones in that time were 1.00 in on June 22, 2026.
Over the 20 years 2006–2025, Chester County logged 65 reports on 38 hail days, about 3.3 reports a year. That is 59% more than the median Pennsylvania county (2.0 a year) and ranks #18 of 68 Pennsylvania counties for all-time reports. Chester County holds 2% of all 5,542 hail reports in Pennsylvania.
3% of reports with a size were 2 inches (hen egg) or larger, against 3% for the median Pennsylvania county. The largest hail on record here is 2.75 in (baseball) on May 29, 1995 near Northern.
Reports were down 41% in 2016–2025 (24) compared with 2006–2015 (41). The busiest year was 2011, with 10 reports on 3 days. Hail here peaks in June (25% of reports); 52% fall between April and June.
Reports a year 2006–2025 average
- Chester County 3.3
- Median Pennsylvania county 2.0
Hail days 2006–2025
- Chester County 38
- Median Pennsylvania county 22.5
Share 2 in or larger of sized reports
- Chester County 3%
- Median Pennsylvania county 3%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1 | 1 | |||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 1 | 1 | 2 | ||||||||||
| 2023 | 1 | 1 | 1 | 3 | |||||||||
| 2022 | 2 | 1 | 3 | ||||||||||
| 2021 | 1 | 1 | |||||||||||
| 2020 | 1 | 1 | |||||||||||
| 2019 | 2 | 7 | 9 | ||||||||||
| 2018 | 2 | 2 | |||||||||||
| 2017 | 2 | 2 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jun 22, 2026 | 1 | 1.00 in | — |
| Aug 18, 2024 | 1 | 0.75 in | — |
| Jul 14, 2024 | 1 | 1.00 in | — |
| Sep 7, 2023 | 1 | 1.00 in | — |
| Aug 12, 2023 | 1 | 0.88 in | — |
| Apr 1, 2023 | 1 | 1.00 in | — |
| Jun 1, 2022 | 1 | 1.00 in | — |
| May 22, 2022 | 1 | 0.75 in | — |
| May 16, 2022 | 1 | 0.75 in | — |
Largest hail on record
| Date | Size | Location | Time · source |
|---|---|---|---|
| May 29, 1995 | 2.75 inbaseball | Northern | 16:30 local · NCEI |
| Aug 10, 2008 | 2.00 inhen egg | Exton | 10:10 local · NCEI |
| Aug 3, 1967 | 2.00 inhen egg | — | 19:00 local · NCEI |
| Jul 25, 2010 | 1.75 ingolf ball | 1.48 SSW New Garden | 13:44 local · NCEI |
| Jun 9, 2009 | 1.75 ingolf ball | Oxford | 14:09 local · NCEI |
Sizes filed before 1996 are often rough estimates (round numbers like 7.00 or 8.00 in) without an exact spot; they are shown as NOAA filed them.
Size of every report
- Under 1 in 49 48%
- 1–2 in 50 49%
- 2 in + 3 3%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Jun 22, 2026 | 1.00 inquarter | 1.48 SSE Ludwigs Corner | 15:52 local · NCEI |
| Aug 18, 2024 | 0.75 inpenny | 0.87 SW Valley Forge | 14:50 local · NCEI |
| Jul 14, 2024 | 1.00 inquarter | Eagle | 13:32 local · NCEI |
| Sep 7, 2023 | 1.00 inquarter | Coatesville | 17:05 local · NCEI |
| Aug 12, 2023 | 0.88 innickel | 0.69 S Eagle | 17:32 local · NCEI |
| Apr 1, 2023 | 1.00 inquarter | 1.06 W Lionville | 17:40 local · NCEI |
| Jun 1, 2022 | 1.00 inquarter | Phoenixville | 17:50 local · NCEI |
| May 22, 2022 | 0.75 inpenny | 0.69 N Oxford | 16:45 local · NCEI |
| May 16, 2022 | 0.75 inpenny | 0.87 SE Phoenixville | 16:56 local · NCEI |
| Jul 6, 2021 | 0.88 innickel | 0.53 E Phoenixville | 17:00 local · NCEI |
| Jul 6, 2020 | 0.75 inpenny | 1.06 W Berwyn | 15:17 local · NCEI |
| Jun 29, 2019 | 1.00 inquarter | Coatesville | 14:33 local · NCEI |
Cities and towns in Chester County
| Place | Reports | Largest |
|---|---|---|
| West Chester | 13 | 1.75 in |
Smaller places with fewer than 10 reports
These places have too few reports for a page of their own, so their record lives here.
| Place | Reports | Hail days | Latest |
|---|---|---|---|
| Coatesville | 9 | 9 | Sep 7, 2023 |
| Phoenixville | 8 | 6 | Jun 1, 2022 |
| Exton | 7 | 5 | May 28, 2019 |
| Honey Brook | 7 | 7 | Sep 11, 2011 |
| Downingtown | 5 | 5 | Sep 11, 2011 |
| Oxford | 3 | 3 | May 22, 2022 |
| South Pottstown | 3 | 3 | Aug 22, 2017 |
| Toughkenamon | 3 | 3 | May 12, 2018 |
| Avondale | 2 | 1 | Mar 31, 1989 |
| Cambridge | 2 | 2 | Sep 17, 2005 |
| Chadds Ford | 2 | 2 | Aug 28, 2020 |
| Chesterbrook | 2 | 2 | Aug 18, 2024 |
| Cheyney University | 2 | 2 | Jun 2, 2019 |
| Eagle | 2 | 2 | Jun 22, 2026 |
| Eagleview | 2 | 2 | Aug 12, 2023 |
| Elverson | 2 | 2 | Aug 9, 2012 |
| Hayti | 2 | 2 | Jun 29, 2019 |
| Leola | 2 | 2 | Jun 10, 2008 |
| Lionville | 2 | 2 | May 22, 2014 |
| Spring City | 2 | 2 | Jun 3, 2012 |
| Berwyn | 1 | 1 | Jul 6, 2020 |
| Caln | 1 | 1 | Sep 11, 2011 |
| Cochranville | 1 | 1 | Aug 10, 2008 |
| Glenmoore | 1 | 1 | Jul 18, 2006 |
| Kenilworth | 1 | 1 | Aug 25, 2006 |
| Kennett Square | 1 | 1 | Jun 19, 2002 |
| Lincoln University | 1 | 1 | Jun 2, 2019 |
| Modena | 1 | 1 | Aug 10, 2008 |
| Nottingham | 1 | 1 | May 10, 2018 |
| Paoli | 1 | 1 | Aug 3, 1967 |
| Parkesburg | 1 | 1 | Aug 11, 2004 |
| South Coatesville | 1 | 1 | Jun 16, 1985 |
| Thorndale | 1 | 1 | Jun 30, 2015 |
| Unionville | 1 | 1 | Jun 2, 2019 |
| West Grove | 1 | 1 | Jun 22, 2010 |
Questions about hail in Chester County
How often does it hail in Chester County, Pennsylvania?
102 hail reports have been logged in Chester County since 1967. Over the 20 years 2006–2025 that averages 3.3 reports a year. That ranks #18 of 68 Pennsylvania counties by number of reports.
When is hail season in Chester County?
Most reports come in June, May, August. June alone accounts for 25% of all reports.
What is the largest hail recorded in Chester County?
2.75 in (baseball size) on May 29, 1995 near Northern. 3% of reports here were 2 inches or larger.
When did it last hail in Chester County?
The most recent report in this data is from June 22, 2026 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Chester County had in the last five years?
9 separate days with hail reports since November 3, 2021, adding up to 9 reports. The most recent was June 22, 2026.
Where does this hail data come from?
Hail reports come from the NOAA NCEI Storm Events Database, which the National Weather Service compiles from spotter, public, law enforcement and media reports. Recent days use preliminary NWS Local Storm Reports via the Iowa Environmental Mesonet until NOAA publishes final data. Only reported hail is counted, so areas with fewer people tend to have fewer reports.