The most recent reported hail day was 2025-06-05 -- 1 year ago, with nothing reported since. Otsego County is hit in about half the years on record. The largest stone on record here is 3 inches, a teacup and 3 times the National Weather Service's 1 inch severe criterion, reported on 2012-07-23 near Worcester.
Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in New York. Radar-indicated, not a guarantee of damage.
The last hail here fell on 2025-06-05, around Unadilla. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Otsego County addresses inside a hail swath above your size threshold into a door-knock list you can export, scoped to your approved markets.
Get free access Check an addressOur US-based call center calls the homeowners in this storm and books roof inspections straight onto your calendar. You work the storm; we fill the schedule. We dial -- you do not have to knock a single door.
See call-center options ->NOAA's Storm Prediction Center has logged 21 separate hail days here since 2010 -- 1.2 a year over 17 years of record. They carry 35 reports in total: most hail days here are logged from a single spot. 7 of those 17 years produced none at all. The busiest single year was 2011, with 4 hail days. The last five years have been quieter than the long run: 3 days since 2022, against 1.5 a year before that.
2 of the 21 days reached 2 inches or more -- 10%, or about one hail day in 10, the last on 2023-07-14. They land in the same month as everything else, July. Golf-ball size is rarer still: 1.75 inches or more on 4 of the 21 days.
Across the whole of New York, see the New York hail map and history.
Reports cluster nearest Oneonta -- 5 of the county's 21 hail days -- then Otego (4), Cherry Valley (3), Unadilla (2) and Westford (2). Beyond those, NOAA names Cooperstown and Milford on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Otego | 4 | 1.25″ |
| Oneonta | 4 | 1.00″ |
| Cherry Valley | 2 | 1.00″ |
| Milford | 2 | 1.00″ |
| Worcester | 1 | 3.00″ |
The season runs May through August: 18 of the 21 hail days on record fall in those 4 months (86%). July is the single busiest month, with 6 of them (29%). That peak sits inside the window rather than at either end. Hail has also been reported in September, outside that window. Reports span 5 of the 12 calendar months; the other 7 have never produced one.
| Month | Hail days |
|---|---|
| May | 4 |
| June | 5 |
| July | 6 |
| August | 3 |
| September | 3 |
That day put 1 report on the map, the biggest 1 inch near Unadilla. No hail day has been reported here yet this year.
| Date | Max hail | Reports |
|---|---|---|
| 2025-06-05 | 1.00″ | 1 |
| 2023-08-04 | 1.00″ | 2 |
| 2023-07-14 | 2.00″ | 1 |
| 2021-07-07 | 1.00″ | 1 |
| 2021-07-02 | 1.00″ | 1 |
| 2020-08-25 | 1.00″ | 1 |
| 2015-07-19 | 1.25″ | 1 |
| 2014-07-09 | 1.00″ | 1 |
The colored swath is NOAA's MRMS radar estimate of the largest hail per ~1 km cell; the dots are SPC ground reports. Yellow is about an inch, red 1.5 to 2″, purple 2″ and up (hail size vs roof damage). On this county's worst day the reports reached 3 inches, which is the purple band. Look up a street address with the hail history by address tool.
The nearest counties with a page of their own: Delaware County (18 hail days), Herkimer County (20) and Chenango County (17). Otsego County takes more hail than any of them.
Delaware County · Herkimer County · Chenango County
Back to the New York hail map or the U.S. hail map.
Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Otsego County, New York only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.