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 27 hail storms within 25 miles of Danbury, 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 egg-sized, which can fracture shingle mat and dent metal flashing on contact. 2026 was the most active year on record locally, with 18 documented hail events.
Check Hail History for a Specific Address in Danbury| Severity | Count | What it means for roofs |
|---|---|---|
| Destructive | 3 events | Egg-size, expect mat fractures and gutter damage |
| Severe | 7 events | Ping pong-size, granule loss and bruising common |
| Significant | 13 events | Quarter-size, the standard insurance damage threshold |
| Moderate | 1 event | Marble-size, possible cosmetic damage |
| Minor | 3 events | Pea-size, unlikely to damage modern shingles |
| Year | Reported Hail Events Within 25 mi |
|---|---|
| 2026 | 18 events |
| 2024 | 3 events |
| 2023 | 4 events |
| 2021 | 2 events |
2026 was the busiest hail year on record locally for Danbury, with 18 documented events inside the 25-mile radius. Storm activity in Danbury 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. |
| 2026-06-11 | Pawling, NY | Significant | 1.25" | Multiple photos on social media of quarter to 1.25 inch hail in Pawling. |
| 2026-06-11 | 1 S Pawling, NY | Severe | 1.75" | — |
| 2026-06-11 | WEBATUCK, NY | Severe | 1.50" | Hail in Wingdale was estimated to be between 1.25 and 1.50 inches based on pictures. |
| 2026-06-11 | Pawling, NY | Severe | 1.75" | — |
| 2026-06-11 | Wingdale, NY | Severe | 1.50" | Hail in Wingdale estimated between 1.25 and 1.50 inches based on pictures. |
| 2026-06-11 | 3 ENE Pawling, NY | Destructive | 2.50" | Estimated from social media. |
| 2026-06-11 | QUAKER HILL, NY | Destructive | 2.50" | Large hail in excess of 1 inch in diameter occurred throughout the Town of Pawling with some photos showing hailstones reaching as large as 2.00 to 2.50 inches. |
| 2026-06-11 | Pawling, NY | Severe | 1.50" | Trained spotter in the village of Pawling sent pictures of hail with sizes ranging between 1 inch to 1.5 inches. |
| 2026-06-11 | 2 NNE Pawling, NY | Destructive | 2.00" | Social media report of hail up to 2 inches in diameter near Route 22 and West Mountain in Pawling. |
| 2026-06-11 | SHERMAN, CT | Significant | 1.00" | Multiple videos show quarter-sized hail falling in Sherman. |
| 2026-06-11 | Sherman, CT | Significant | 1.00" | Multiple videos show quarter-sized hail falling in Sherman. |
| 2026-03-06 | 1 SSW Woodbury Center, CT | Significant | 1.10" | Cocorahs station CT-LT-34 Woodbury Center 1.5 SSW. |
| 2026-03-06 | 5 SSW New Milford, CT | Significant | 1.08" | Cocorahs station CT-LT-22 New Milford 5.3 SSW. |
| 2026-03-06 | 1 SW Woodbury Center, CT | Significant | 1.04" | Cocorahs station CT-LT-57 Woodbury Center 0.6 SW. |
| 2026-03-04 | Danbury Airport, CT | Minor | 0.11" | ASOS station KDXR Danbury Airport. |
| 2026-03-04 | 1 NNE Northville, CT | Minor | 0.25" | Estimated at least 0.10 inches of radial ice or 0.25 inches flat ice. |
| 2026-03-03 | Danbury Airport, CT | Minor | 0.06" | ASOS station KDXR Danbury Airport. |
| 2024-08-03 | SHELTON, CT | Significant | 1.00" | Quarter sized hail. |
| 2024-06-23 | MILLBROOK SKY ACRES, NY | Severe | 1.50" | Hail with a diameter of 1.50 inches was reported near Hoxie Corner. |
NOAA has recorded 226 high-wind events within 25 miles of Danbury, CT in the past five years. Of those, 226 reached severe-thunderstorm thresholds (58+ mph). The highest measured gust was 90 mph.
| Severity | Count |
|---|---|
| Severe | 50 events |
| Significant | 176 events |
| Date | Location | Gust (mph) | Severity | NOAA Comments |
|---|---|---|---|---|
| 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. |
| 2026-06-12 | WATERTOWN, CT | 58 | Significant | A large tree and limbs were downed near Main Street in the Town of Watertown. |
| 2026-06-12 | WASHINGTON, CT | 58 | Significant | A tree was downed on West Church Hill Road in the Town of Washington. |
| 2026-06-12 | WATERTOWN, CT | 58 | Significant | Trees were downed on wires on Route 262 and Echo Lake Road in the Town of Watertown with all lanes closed. |
| 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. |
| 2026-06-11 | OXFORD, CT | 58 | Significant | Tree limbs down causing a power outage near Chauncey Drive in Oxford. |
| 2026-06-11 | OXFORD, CT | 58 | Significant | Tree down on wires down on Oxford Road, Oneill Road and Coppermine Road in Oxford CT. |
| 2026-06-11 | PINE BRIDGE, CT | 58 | Significant | Tree limbs down causing a power outage in Seymour. |
| 2026-06-11 | ANSONIA, CT | 58 | Significant | Tree down with wires across route 34 at Great Hill Road and Fountain Lake road. Road is closed. |
| 2026-06-11 | SOUTH DOVER, NY | 58 | Significant | A tree was downed on NY 22 northbound near Chippawalla Road in the Town of Dover. |
| 2026-06-11 | QUAKER HILL, NY | 90 | Severe | Numerous trees and wires were downed throughout the Town of Pawling with trunks snapped in some areas. Some locations include Quaker Hill Road, North Quaker Road, Old Quaker Hill Road, Reservoir Road, Hurds Corners Road and Tracy Road. |
| 2026-06-11 | SHERMAN, CT | 58 | Significant | Tree limbs down causing a power outage near Taber Road in Sherman CT. |
| 2026-06-11 | KNOLLCREST, CT | 58 | Significant | Tree limbs down causing a power outage near Candle Hill Road in Inglenook. |
| 2026-06-11 | BANTAM, CT | 58 | Significant | A tree was downed on wires on West Morris Road near Bantam. |
| 2026-06-06 | STAMFORD, CT | 63 | Significant | Large tree down in yard. |
| 2026-06-06 | ARMONK, NY | 63 | Significant | Tree down on NY 22 with two lanes blocked. |
| 2026-06-06 | POUND RIDGE, NY | 63 | Significant | Tree down and Road Closure on NY 137 both directions at Deepwood road in Bedford. All lanes of 2 lanes closed. Time estimated by radar. |
The most recent quarter-size-or-larger hail storm recorded by NOAA within 25 miles of Danbury was on August 27, 2026. HailCheck refreshes from the NOAA Storm Events database daily, so newer events appear here as they are reported.
Danbury averages roughly 5 reported hail events per year within a 25-mile radius. Significant storms (quarter-size or larger) account for 23 of the 27 events recorded over the last five years.
The largest documented hail near Danbury in the last five years was egg-sized. Most Danbury-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 Danbury. 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 Danbury 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 ValidationDanbury 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.