Hail history for Oswego County, New York
Every NOAA hail report filed in Oswego County since 1975, with preliminary National Weather Service reports to November 3, 2026.
Readout · Oswego County
- Last hail
- Jun 22, 2024
- 1.50 in, ping pong ball size
- Hail days, last 5 years
- 4
- since Nov 3, 2021 · 8 reports
- Largest ever
- 2.50 in
- tennis ball · May 18, 2017
86 reports on 41 days since 1975 · #25 of 63 New York counties
Hail map · Oswego 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 Oswego County
The latest hail report in Oswego County is from June 22, 2024, 1.50 in (ping pong ball size). Since November 3, 2021 there have been 4 separate hail days; the biggest stones in that time were 1.50 in on June 22, 2024.
Over the 20 years 2006–2025, Oswego County logged 65 reports on 23 hail days, about 3.3 reports a year. That is 33% more than the median New York county (2.5 a year) and ranks #25 of 63 New York counties for all-time reports. Oswego County holds 2% of all 5,098 hail reports in New York.
5% of reports with a size were 2 inches (hen egg) or larger, against 2% for the median New York county. The largest hail on record here is 2.50 in (tennis ball) on May 18, 2017 near 0.85 SE Wellwood.
Reports were down 24% in 2016–2025 (28) compared with 2006–2015 (37). The busiest year was 2017, with 17 reports on 4 days. Hail here peaks in May (45% of reports); 59% fall between April and June.
Reports a year 2006–2025 average
- Oswego County 3.3
- Median New York county 2.5
Hail days 2006–2025
- Oswego County 23
- Median New York county 25
Share 2 in or larger of sized reports
- Oswego County 5%
- Median New York county 2%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 2 | 2 | |||||||||||
| 2023 | 3 | 3 | |||||||||||
| 2022 | 2 | 1 | 3 | ||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 13 | 1 | 3 | 17 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jun 22, 2024 | 2 | 1.50 in | — |
| Aug 3, 2023 | 3 | 1.25 in | — |
| Jun 16, 2022 | 1 | 1.25 in | — |
| May 21, 2022 | 2 | 1.25 in | — |
Largest hail on record
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| May 18, 2017 | 2.50 intennis ball | 0.85 SE Wellwood | — | 17:06 local · NCEI |
| May 18, 2017 | 2.50 intennis ball | 1 W Clifford | — | 17:00 local · NCEI |
| May 18, 2017 | 2.50 intennis ball | 0.85 SE Volney | — | 16:59 local · NCEI |
| May 18, 2017 | 2.00 inhen egg | 2.01 E Mt Pleasant | $20K | 17:00 local · NCEI |
| May 18, 2017 | 1.75 ingolf ball | 0.85 SW Altman | — | 17:21 local · NCEI |
Size of every report
- Under 1 in 26 30%
- 1–2 in 56 65%
- 2 in + 4 5%
Most recent reports
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| Jun 22, 2024 | 1.50 inping pong ball | 0.5 E Fulton | — | 19:53 local · NCEI |
| Jun 22, 2024 | 1.25 inhalf dollar | 0.85 NE Fulton | — | 19:53 local · NCEI |
| Aug 3, 2023 | 1.25 inhalf dollar | 2.56 SW West Monroe | — | 20:59 local · NCEI |
| Aug 3, 2023 | 1.25 inhalf dollar | 0.85 NE Central Square | — | 20:15 local · NCEI |
| Aug 3, 2023 | 1.25 inhalf dollar | 0.69 S Hastings | — | 19:37 local · NCEI |
| Jun 16, 2022 | 1.25 inhalf dollar | 2.13 WNW Hinmansville | — | 16:03 local · NCEI |
| May 21, 2022 | 1.25 inhalf dollar | 0.85 NE Central Square | — | 15:10 local · NCEI |
| May 21, 2022 | 1.00 inquarter | 0.85 NE Central Square | — | 15:05 local · NCEI |
| Aug 12, 2017 | 1.00 inquarter | 2.81 N Carterville | $5K | 14:05 local · NCEI |
| Aug 12, 2017 | 0.88 innickel | 0.85 SE West Amboy | — | 13:58 local · NCEI |
| Aug 12, 2017 | 0.88 innickel | 1.38 N Central Square | — | 13:42 local · NCEI |
| Jun 26, 2017 | 1.00 inquarter | 1.47 NNW Dexterville | — | 18:00 local · NCEI |
Cities and towns in Oswego County
| Place | Reports | Largest |
|---|---|---|
| Oswego | 14 | 1.75 in |
| Central Square | 10 | 1.75 in |
| Fulton | 10 | 2.50 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 |
|---|---|---|---|
| Parish | 6 | 4 | Aug 3, 2023 |
| Hannibal | 4 | 4 | Jul 18, 2016 |
| Phoenix | 4 | 3 | May 18, 2017 |
| Altmar | 3 | 2 | May 18, 2017 |
| Constantia | 3 | 3 | Sep 11, 2013 |
| Minetto | 3 | 3 | Jun 26, 2017 |
| Sand Ridge | 3 | 3 | Jul 18, 2016 |
| Cleveland | 2 | 2 | Aug 29, 2004 |
| Mexico | 1 | 1 | May 18, 2017 |
| Pulaski | 1 | 1 | Apr 21, 2009 |
| Sandy Creek | 1 | 1 | May 30, 2017 |
Questions about hail in Oswego County
How often does it hail in Oswego County, New York?
86 hail reports have been logged in Oswego County since 1975. Over the 20 years 2006–2025 that averages 3.3 reports a year. That ranks #25 of 63 New York counties by number of reports.
When is hail season in Oswego County?
Most reports come in May, August, July. May alone accounts for 45% of all reports.
What is the largest hail recorded in Oswego County?
2.50 in (tennis ball size) on May 18, 2017 near 0.85 SE Wellwood. 5% of reports here were 2 inches or larger.
When did it last hail in Oswego County?
The most recent report in this data is from June 22, 2024 (1.50 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Oswego County had in the last five years?
4 separate days with hail reports since November 3, 2021, adding up to 8 reports. The most recent was June 22, 2024.
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.