SwathIQ / Hail map / New York / Tompkins County

Tompkins County, New York Hail Map & History

Tompkins County was hit as recently as 2026-08-27, 18 days ago. Tompkins County is hit in about half the years on record. The largest stone on record here is 2 inches, a hen egg and twice the National Weather Service's 1 inch severe criterion, reported on 2012-05-03 near Newfield.

18
hail days since 2010
1
days with 2″+ hail
3
hail days this year
2.00″
largest stone on record

Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in New York. Radar-indicated, not a guarantee of damage.

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The last hail here fell on 2026-08-27, around Groton. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Tompkins 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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How often it hails in Tompkins County

NOAA's Storm Prediction Center has logged 18 separate hail days here since 2010 -- 1.1 a year over 17 years of record. Those days carry 49 separate reports between them, two or three on a typical one. 7 of those 17 years produced none at all. The busiest single year was 2026, with 3 hail days. The last five years track the long-run rate, with 6 days since 2022.

Most hail here stays under 2 inches: only 1 of the 18 days on record passed it, 6%, the last on 2012-05-03. Those big days do not follow the county's usual calendar: most of them fall in May, not June. 7 of the 18 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 Tompkins County

Reports cluster nearest Newfield -- 6 of the county's 18 hail days -- then Ithaca (5), Dryden (3), Cayuga Heights (2) and Lansing (2). Beyond those, NOAA names Trumansburg and Enfield on more than one hail day apiece.

PlaceHail days since 2010Largest stone
Newfield62.00″
Ithaca41.75″
Lansing21.75″
Trumansburg21.75″
Dryden21.25″

When it hails in Tompkins County

The season runs May through August: 17 of the 18 hail days on record fall in those 4 months (94%). June is the single busiest month, with 6 of them (33%). 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.

MonthHail days
May4
June6
July3
August4
September1

Recent Tompkins County hail days

That day put 1 report on the map, the biggest 1 inch near Groton. 3 hail days have already been reported this year.

DateMax hailReports
2026-08-271.00″1
2026-08-121.50″4
2026-06-301.75″3
2025-07-031.75″1
2024-06-221.00″1
2022-06-151.00″1
2021-07-201.00″1
2021-06-211.00″2

How to read the Tompkins 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 2 inches, which is the purple band. Look up a street address with the hail history by address tool.

Nearby counties

The nearest counties with a page of their own: Chemung County (14 hail days), Tioga County (14) and Cayuga County (19). Tompkins County sits in between.

Chemung County · Tioga County · Cayuga County

Back to the New York hail map or the U.S. hail map.

FAQ

How often does it hail in Tompkins County, New York?
NOAA's Storm Prediction Center has logged 18 separate hail days here since 2010 -- 1.1 a year over 17 years of record.
When is hail season in Tompkins County?
The season runs May through August: 17 of the 18 hail days on record fall in those 4 months (94%).
How big does hail get in Tompkins County?
The largest stone on record here is 2 inches, a hen egg and twice the National Weather Service's 1 inch severe criterion, reported on 2012-05-03 near Newfield.
When was the last hail in Tompkins County?
Tompkins County was hit as recently as 2026-08-27, 18 days ago.
Is the Tompkins County hail map free?
Yes, no login. A free account adds door-knock address lists and CRM exports.

Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Tompkins County, New York only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.