The most recent reported hail day was 2025-08-24, 341 days ago. Onondaga County is hit in most years. The largest stone on record here is 1.75 inches, a golf ball and 1.8 times the National Weather Service's 1 inch severe criterion, reported on 2025-08-24 near Plainville.
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 2025-08-24, around Plainville. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Onondaga County addresses inside a hail swath above your size threshold into a door-knock list you can export, scoped to your approved markets.
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See call-center options ->NOAA's Storm Prediction Center has logged 19 separate hail days here since 2010 -- 1.1 a year over 17 years of record. Those days carry 56 separate reports between them, two or three on a typical one. 6 of those 17 years produced none at all. One year dominates the record: 2013 alone produced 4 of the 19 days. The last five years have been quieter than the long run: 2 days since 2022, against 1.4 a year before that.
No stone of 2 inches or more has ever been reported in Onondaga County: all 19 hail days on record topped out below that. 5 of the 19 days reached golf-ball size, 1.75 inches or bigger.
Across the whole of New York, see the New York hail map and history.
Reports cluster nearest Syracuse -- 5 of the county's 19 hail days -- then Tully (3), Baldwinsville (3), Jordan (3) and Solvay (3). Beyond those, NOAA names Brewerton, Liverpool, Marcellus, East Syracuse, Clay and Mattydale on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Syracuse | 3 | 1.75″ |
| Tully | 3 | 1.75″ |
| Baldwinsville | 3 | 1.50″ |
| Jordan | 3 | 1.50″ |
| Solvay | 3 | 1.00″ |
The season runs May through August: 17 of the 19 hail days on record fall in those 4 months (89%). May is the single busiest month, with 5 of them (26%). That peak opens the window: the season starts at its worst and eases off from there. Hail has also been reported in April and September, outside that window. Reports span 6 of the 12 calendar months; the other 6 have never produced one.
| Month | Hail days |
|---|---|
| April | 1 |
| May | 5 |
| June | 4 |
| July | 5 |
| August | 3 |
| September | 1 |
That day put 7 reports on the map, the biggest 1.75 inches near Plainville. No hail day has been reported here yet this year.
| Date | Max hail | Reports |
|---|---|---|
| 2025-08-24 | 1.75″ | 7 |
| 2022-07-13 | 1.00″ | 1 |
| 2021-06-30 | 1.50″ | 2 |
| 2019-05-19 | 1.00″ | 3 |
| 2017-05-18 | 1.75″ | 3 |
| 2015-06-12 | 1.25″ | 1 |
| 2014-07-08 | 1.00″ | 1 |
| 2014-06-17 | 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 1.75 inches, which is the red band. Look up a street address with the hail history by address tool.
The nearest counties with a page of their own: Oswego County (14 hail days), Cayuga County (19) and Madison County (18). Onondaga County sits in between.
Oswego County · Cayuga County · Madison 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, Onondaga County, New York only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.