Hail history for Warren County, New Jersey
Every NOAA hail report filed in Warren County since 1956, with preliminary National Weather Service reports to November 3, 2026.
Readout · Warren County
- Last hail
- Jul 28, 2026
- 0.75 in, penny size
- Hail days, last 5 years
- 3
- since Nov 3, 2021 · 4 reports
- Largest ever
- 1.75 in
- golf ball · May 27, 2010
34 reports on 30 days since 1956 · #15 of 21 New Jersey counties
Hail map · Warren County
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
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What the record says about Warren County
The latest hail report in Warren County is from July 28, 2026, 0.75 in (penny size). Since November 3, 2021 there have been 3 separate hail days; the biggest stones in that time were 1.25 in on September 7, 2023.
Over the 20 years 2006–2025, Warren County logged 23 reports on 19 hail days, about 1.1 reports a year. That is 21% less than the median New Jersey county (1.4 a year) and ranks #15 of 21 New Jersey counties for all-time reports. Warren County holds 3% of all 1,170 hail reports in New Jersey.
0% of reports with a size were 2 inches (hen egg) or larger, against 0% for the median New Jersey county. The largest hail on record here is 1.75 in (golf ball) on May 27, 2010 near Phillipsburg.
Reports were down 65% in 2016–2025 (6) compared with 2006–2015 (17). The busiest year was 2007, with 4 reports on 3 days. Hail here peaks in July (29% of reports); 50% fall between April and June.
Reports a year 2006–2025 average
- Warren County 1.1
- Median New Jersey county 1.4
Hail days 2006–2025
- Warren County 19
- Median New Jersey county 19
Share 2 in or larger of sized reports
- Warren County 0%
- Median New Jersey county 0%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1 | 1 | |||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 2 | 2 | |||||||||||
| 2023 | 1 | 1 | |||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 1 | 1 | |||||||||||
| 2019 | 1 | 1 | |||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jul 28, 2026 | 1 | 0.75 in | — |
| Jun 22, 2024 | 2 | 1.00 in | — |
| Sep 7, 2023 | 1 | 1.25 in | — |
Largest hail on record
| Date | Size | Location | Time · source |
|---|---|---|---|
| May 27, 2010 | 1.75 ingolf ball | Phillipsburg | 14:00 local · NCEI |
| Jul 6, 2007 | 1.75 ingolf ball | Phillipsburg | 15:55 local · NCEI |
| Jul 1, 1990 | 1.75 ingolf ball | — | 12:15 local · NCEI |
| Jun 24, 1985 | 1.75 ingolf ball | — | 13:00 local · NCEI |
| Jul 11, 1980 | 1.75 ingolf ball | — | 18:30 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 16 47%
- 1–2 in 18 53%
- 2 in + 0 0%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Jul 28, 2026 | 0.75 inpenny | 0.69 N Brass Castle | 14:46 local · NCEI |
| Jun 22, 2024 | 1.00 inquarter | 1.26 WNW Alpha | 19:50 local · NCEI |
| Jun 22, 2024 | 0.88 innickel | 1.26 WNW Alpha | 19:30 local · NCEI |
| Sep 7, 2023 | 1.25 inhalf dollar | 2.95 NNW Hainesburg | 13:42 local · NCEI |
| Jul 22, 2020 | 0.88 innickel | 1.25 WNW Hope | 14:20 local · NCEI |
| Aug 7, 2019 | 1.00 inquarter | 1.05 W Phillipsburg | 15:27 local · NCEI |
| Jun 28, 2016 | 1.00 inquarter | 0.52 W Brass Castle | 18:17 local · NCEI |
| Jun 30, 2015 | 1.25 inhalf dollar | Oxford | 14:50 local · NCEI |
| Jul 27, 2014 | 0.88 innickel | Riegelsville | 21:55 local · NCEI |
| Jul 3, 2014 | 0.88 innickel | Hackettstown | 18:05 local · NCEI |
| Apr 10, 2013 | 1.00 inquarter | Riegelsville | 18:00 local · NCEI |
| Jul 28, 2012 | 0.75 inpenny | Hackettstown | 13:05 local · NCEI |
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 |
|---|---|---|---|
| Phillipsburg | 8 | 7 | Jun 22, 2024 |
| Finesville | 5 | 5 | Aug 22, 2022 |
| Washington | 4 | 4 | Jul 28, 2026 |
| Hainesburg | 3 | 3 | Sep 7, 2023 |
| Belvidere | 2 | 2 | Jun 24, 1985 |
| Blairstown | 2 | 2 | Jul 1, 2012 |
| Brass Castle | 2 | 2 | Jun 28, 2016 |
| Hackettstown | 2 | 2 | Jul 3, 2014 |
| Alpha | 1 | 1 | May 27, 2010 |
| Columbia | 1 | 1 | Jun 1, 2007 |
| Great Meadows | 1 | 1 | Aug 16, 1966 |
| Johnsonburg | 1 | 1 | Jun 26, 2002 |
| Mountain Lake | 1 | 1 | Dec 3, 2009 |
| Oxford | 1 | 1 | Jun 30, 2015 |
| Silver Lake | 1 | 1 | Jul 22, 2020 |
Questions about hail in Warren County
How often does it hail in Warren County, New Jersey?
34 hail reports have been logged in Warren County since 1956. Over the 20 years 2006–2025 that averages 1.1 reports a year. That ranks #15 of 21 New Jersey counties by number of reports.
When is hail season in Warren County?
Most reports come in July, June, May. July alone accounts for 29% of all reports.
What is the largest hail recorded in Warren County?
1.75 in (golf ball size) on May 27, 2010 near Phillipsburg. 0% of reports here were 2 inches or larger.
When did it last hail in Warren County?
The most recent report in this data is from July 28, 2026 (0.75 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Warren County had in the last five years?
3 separate days with hail reports since November 3, 2021, adding up to 4 reports. The most recent was July 28, 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.