Data current as of 2026-10-16 · Sourced from NOAA Storm Events
Over the past five years, the National Oceanic and Atmospheric Administration has recorded 33 hail storms within 25 miles of Stamford, CT. Of those, 23 produced hail at least quarter-size — the threshold most insurance carriers consider potentially damaging to asphalt shingles. The largest reported hail in this window was ping pong ball-sized, which can fracture shingle mat and dent metal flashing on contact. 2026 was the most active year on record locally, with 8 documented hail events.
Check Hail History for a Specific Address in Stamford| Severity | Count | What it means for roofs |
|---|---|---|
| Severe | 5 events | Ping pong-size, granule loss and bruising common |
| Significant | 18 events | Quarter-size, the standard insurance damage threshold |
| Moderate | 8 events | Marble-size, possible cosmetic damage |
| Minor | 2 events | Pea-size, unlikely to damage modern shingles |
| Year | Reported Hail Events Within 25 mi |
|---|---|
| 2026 | 8 events |
| 2024 | 5 events |
| 2023 | 8 events |
| 2022 | 8 events |
| 2021 | 4 events |
2026 was the busiest hail year on record locally for Stamford, with 8 documented events inside the 25-mile radius. Storm activity in Stamford typically peaks in spring and early summer, when the jet stream pushes Gulf moisture into the area and supercell thunderstorms become more frequent.
| Date | Location | Severity | Size | NOAA Comments |
|---|---|---|---|---|
| 2026-08-27 | 1 E Danbury, CT | Significant | 1.00" | Quarter-sized hail observed on Granville Ave. |
| 2026-08-07 | 1 SSW Pearl River, NY | Significant | 1.00" | Corrected previous LSR report from River Vale, NJ. |
| 2026-08-07 | River Vale, NJ | Significant | 1.00" | — |
| 2026-08-07 | 1 NW Pearl River, NY | Moderate | 0.88" | — |
| 2026-08-07 | 1 S Bardonia, NY | Moderate | 0.50" | Report from mPING: Half-inch (0.50 in.). |
| 2026-05-20 | 1 N White Plains, NY | Moderate | 0.75" | — |
| 2026-03-04 | Danbury Airport, CT | Minor | 0.11" | ASOS station KDXR Danbury Airport. |
| 2026-03-03 | Danbury Airport, CT | Minor | 0.06" | ASOS station KDXR Danbury Airport. |
| 2024-08-03 | UPPER NYACK, NY | Significant | 1.00" | Public reports 1 inch hail near Radcliff Drive in Upper Nyack NY. |
| 2024-05-23 | YORKTOWN HGTS, NY | Significant | 1.00" | Public reports 1 inch hail. |
| 2024-05-23 | CROTON ON HUDSON, NY | Severe | 1.50" | Public reports 1.5 inch hail. |
| 2024-05-23 | OSCAWANA, NY | Significant | 1.00" | One inch hail reported near Albany Post Road off US-9. |
| 2024-04-29 | NEW CITY, NY | Significant | 1.00" | Video showing hail with a few up to the size of quarters. |
| 2023-09-08 | NANUET, NY | Significant | 1.00" | One inch hail reported in Nanuet. |
| 2023-09-08 | RIVER VALE, NJ | Moderate | 0.88" | Dime to Nickel sized hail reported in Washington Township in NJ. |
| 2023-09-08 | PEARL RIVER, NY | Moderate | 0.75" | Penny sized hail reported on Paul Court in Pearl River. |
| 2023-07-03 | YORKTOWN HGTS, NY | Significant | 1.00" | Photo confirms quarter-sized hail. |
| 2023-07-03 | CROMPOND, NY | Severe | 1.50" | Video confirming ping-pong ball size hail. |
| 2023-06-06 | CENTRE IS, NY | Significant | 1.25" | Center Island Police Department reports 1.25 inch hail. |
| 2023-06-06 | PURCHASE, NY | Significant | 1.00" | Public reports 1 inch hail. |
NOAA has recorded 180 high-wind events within 25 miles of Stamford, CT in the past five years. Of those, 179 reached severe-thunderstorm thresholds (58+ mph). The highest measured gust was 75 mph.
| Severity | Count |
|---|---|
| Severe | 46 events |
| Significant | 133 events |
| Moderate | 1 event |
| Date | Location | Gust (mph) | Severity | NOAA Comments |
|---|---|---|---|---|
| 2026-09-26 | Eatons Neck, NY | 58 | Significant | Mesonet station XEAT Eatons Neck. |
| 2026-09-26 | Farmingdale Airport, NY | 61 | Significant | ASOS station KFRG Farmingdale Airport. |
| 2026-09-26 | Eatons Neck, NY | 66 | Severe | Mesonet station XEAT Eatons Neck at a height of 71 ft AGL. |
| 2026-09-26 | 1 E Stony Brook, NY | 65 | Severe | Mesonet station EW5678 Stony Brook at a height of 350 ft AGL. |
| 2026-09-26 | 1 E Stony Brook, NY | 65 | Severe | Mesonet station EW5678 Stony Brook. |
| 2026-08-20 | Eatons Neck, NY | 39 | Moderate | Mesonet station XEAT Eatons Neck. |
| 2026-07-05 | 2 N Glen Cove, NY | 75 | Severe | Corrects previous tstm wnd gst report from 2 N Glen Cove. Wxflow Station at Bayville. |
| 2026-07-05 | Eatons Neck, NY | 74 | Severe | XEAT Mesonet. |
| 2026-07-05 | 1 WNW Northport, NY | 67 | Severe | Northport Yacht Club Mesonet. |
| 2026-07-05 | 1 W Briarcliff Manor, NY | 58 | Significant | Recorded at Tappan Zee Light WxFlow station. |
| 2026-07-05 | 2 S Rowayton, CT | 64 | Severe | Greens Ledge Light. |
| 2026-07-05 | 2 SSW Rowayton, CT | 58 | Significant | Corrects previous tstm wnd gst report from 2 SSW Rowayton. Wx flow station Green Ledge Light. |
| 2026-07-05 | 2 SSW Rowayton, CT | 58 | Significant | Wx flow station Green Ledge Light. |
| 2026-06-22 | WESTCHESTER, NY | 58 | Significant | Two trees down across the Bronx. |
| 2026-06-11 | SPUYTEN DUYVIL, NY | 58 | Significant | Downed tree on the Major Deegan at Exit 11. |
| 2026-06-11 | BETHEL, CT | 58 | Significant | Tree down on wires with small fire on Milwaukee Ave near Oxford Street. |
| 2026-06-11 | BLACK ROCK, CT | 58 | Significant | Tree snapped in half in Fairfield. |
| 2026-06-07 | Eatons Neck, NY | 61 | Significant | Mesonet station XEAT Eatons Neck. |
| 2026-06-06 | CLOSTER, NJ | 63 | Significant | Tree on House on Belmar Street. |
| 2026-06-06 | TUCKAHOE, NY | 63 | Significant | Tree Down on Sprain Brook State Pkwy northbound north of Tuckahoe Road, CR 59 in Yonkers. Left lane of 3 lanes blocked. Time estimated from radar. |
The most recent quarter-size-or-larger hail storm recorded by NOAA within 25 miles of Stamford was on August 27, 2026. HailCheck refreshes from the NOAA Storm Events database daily, so newer events appear here as they are reported.
Stamford averages roughly 7 reported hail events per year within a 25-mile radius. Significant storms (quarter-size or larger) account for 23 of the 33 events recorded over the last five years.
The largest documented hail near Stamford in the last five years was ping pong ball-sized. Most Stamford-area hail falls in the marble-to-quarter range, with destructive storms (egg-size or larger) appearing roughly once every few years.
Most homeowners insurance policies in CT cover hail damage to roofs, siding, and gutters under the dwelling and other-structures coverage. Coverage typically requires the damage to be tied to a verifiable storm date — which is where the NOAA hail history above (and a HAAG-style test square validation) becomes important for the claim file.
Use the HailCheck address search to enter any street address in or near Stamford. HailCheck returns every NOAA hail event within a configurable radius, along with severity bands, dates, and storm narratives for Pro members.
If your property in or near Stamford took on hail during one of the storms above, the standard process for documenting damage is a 10×10 foot test square inspection. A HAAG-trained reviewer counts impact indicators — granule displacement, mat fractures, and bruising — within the marked square and produces a PASS or FAIL document for the claim file.
HailCheck offers a $99 photo-based HAAG-style test square validation. You submit photos from the field, our reviewer evaluates the impact indicators and cross-references the NOAA storm dates listed above, and a written PASS/FAIL determination is returned within one business day. We do not send anyone to the roof — the validation is built around the photos you submit.
Learn About $99 HAAG-Style ValidationStamford sits east of the traditional hail alley, where hail events are less frequent than the central plains but tend to be associated with strong squall lines and tropical systems. Local roof systems are less commonly hardened for hail, which can mean even moderate impacts produce claim-worthy damage.