Onondaga County, New York Hail Map & History
Onondaga County was hit as recently as 2026-08-27, 18 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 2026-08-27, around Mattydale. 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 ->How often it hails in Onondaga County
NOAA's Storm Prediction Center has logged 20 separate hail days here since 2010 -- 1.2 a year over 17 years of record. Those days carry 57 separate reports between them, two or three on a typical one. 5 of those 17 years produced none at all. One year dominates the record: 2013 alone produced 4 of the 20 days. The last five years have been quieter than the long run: 3 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 20 hail days on record topped out below that. 5 of the 20 days reached golf-ball size, 1.75 inches or bigger.
Across the whole of New York, see the New York hail map and history.
Hardest-hit places in Onondaga County
Reports cluster nearest Syracuse -- 5 of the county's 20 hail days -- then Tully (3), Baldwinsville (3), Jordan (3) and Mattydale (3). Beyond those, NOAA names Solvay, Brewerton, Liverpool, Marcellus, East Syracuse and Clay 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″ |
When it hails in Onondaga County
The season runs May through August: 18 of the 20 hail days on record fall in those 4 months (90%). May is the single busiest month, with 5 of them (25%). 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 | 4 |
| September | 1 |
Recent Onondaga County hail days
That day put 1 report on the map, the biggest 1 inch near Mattydale. 1 hail day has already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-08-27 | 1.00″ | 1 |
| 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 |
How to read the Onondaga County map
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.
Nearby counties
The nearest counties with a page of their own: Oswego County (14 hail days), Cayuga County (19) and Madison County (18). Onondaga County takes more hail than any of them.
Oswego County · Cayuga County · Madison County
Back to the New York hail map or the U.S. hail map.
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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.