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 31 hail storms within 25 miles of Waterbury, 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 baseball-sized or larger, which can fracture shingle mat and dent metal flashing on contact. 2026 was the most active year on record locally, with 16 documented hail events.
Check Hail History for a Specific Address in Waterbury| Severity | Count | What it means for roofs |
|---|---|---|
| Catastrophic | 1 event | Baseball+ size, structural roof damage likely |
| Severe | 5 events | Ping pong-size, granule loss and bruising common |
| Significant | 17 events | Quarter-size, the standard insurance damage threshold |
| Moderate | 3 events | Marble-size, possible cosmetic damage |
| Minor | 5 events | Pea-size, unlikely to damage modern shingles |
| Year | Reported Hail Events Within 25 mi |
|---|---|
| 2026 | 16 events |
| 2025 | 1 event |
| 2024 | 11 events |
| 2023 | 3 events |
2026 was the busiest hail year on record locally for Waterbury, with 16 documented events inside the 25-mile radius. Storm activity in Waterbury 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. |
| 2026-07-05 | New Britain, CT | Severe | 1.75" | In New Britain, golf ball sized hail was reported. Relayed via Amateur Radio. |
| 2026-07-04 | Terryville, CT | Severe | 1.75" | Golf ball size hail reported. |
| 2026-07-04 | Bristol, CT | Severe | 1.75" | In Bristol, golf ball sized hail fell. |
| 2026-07-04 | 1 W Plainville, CT | Significant | 1.25" | In Plainville, Half Dollar sized hail fell. |
| 2026-07-04 | Bristol, CT | Catastrophic | 3.00" | In Bristol, 3 inch hail was reported. |
| 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 | 1 NNE Northville, CT | Minor | 0.25" | Estimated at least 0.10 inches of radial ice or 0.25 inches flat ice. |
| 2026-03-04 | 1 N Meriden Airport, CT | Minor | 0.16" | ASOS station KMMK Meriden Airport. |
| 2026-03-04 | 2 E Berlin, CT | Minor | 0.30" | Reported by Trained Spotter. |
| 2026-03-04 | 1 N Meriden Airport, CT | Minor | 0.24" | ASOS station KMMK Meriden Airport. |
| 2026-03-03 | 1 N Meriden Airport, CT | Minor | 0.08" | ASOS station KMMK Meriden Airport. |
| 2025-09-06 | BANTAM, CT | Significant | 1.00" | Hail was estimated to be at least 1 inch in diameter near Bantam. |
| 2024-08-26 | NORTHFORD, CT | Significant | 1.25" | Picture of 1.25 inch hail from social media. |
| 2024-08-26 | ROCKLAND, CT | Significant | 1.25" | Video on social media of 1.00 to 1.25 inch hail. |
| 2024-08-26 | NORTH BRANFORD, CT | Significant | 1.00" | Picture of 1.00 inch hail from social media. |
NOAA has recorded 219 high-wind events within 25 miles of Waterbury, CT in the past five years. Of those, 219 reached severe-thunderstorm thresholds (58+ mph). The highest measured gust was 103 mph.
| Severity | Count |
|---|---|
| Destructive | 2 events |
| Severe | 28 events |
| Significant | 189 events |
| Date | Location | Gust (mph) | Severity | NOAA Comments |
|---|---|---|---|---|
| 2026-08-13 | 1 SSW New Haven Airport, CT | 103 | Destructive | Mesonet site XLTH at Lighthouse Point measured a 103 mph wind gust. |
| 2026-08-13 | 1 S New Haven Airport, CT | 97 | Destructive | Mesonet site at Morgan Point measured a 97 mph wind gust. |
| 2026-08-08 | 2 E Berlin, CT | 60 | Significant | Reported by Trained Spotter. |
| 2026-07-04 | 2 W Burlington, CT | 56 | Significant | — |
| 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. |
| 2026-06-12 | EAST FARMS, CT | 58 | Significant | Tree limbs down causing a power outage near Kramer Ave. |
| 2026-06-11 | BETHEL, CT | 58 | Significant | Tree down on wires with small fire on Milwaukee Ave near Oxford Street. |
| 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 | SHERMAN, CT | 58 | Significant | Tree limbs down causing a power outage near Taber Road in Sherman CT. |
| 2026-06-11 | WATERBURY, CT | 58 | Significant | Tree down on wires on Homestead Ave between Middlefield and Woodland Ave. |
| 2026-06-11 | CORNWALL BRIDGE, CT | 58 | Significant | A couple of trees and wires were downed in West Cornwall including on Lower River Road and on River Road just north of the center of town. |
| 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 | CANDLE WOOD ORCHARDS, CT | 63 | Significant | Wires down with power outages per Eversource. Time estimated by radar. |
| 2026-06-06 | BANTAM, CT | 58 | Significant | A tree was downed on wires on Old Turnpike Road near Bantam. |
The most recent quarter-size-or-larger hail storm recorded by NOAA within 25 miles of Waterbury was on August 27, 2026. HailCheck refreshes from the NOAA Storm Events database daily, so newer events appear here as they are reported.
Waterbury averages roughly 6 reported hail events per year within a 25-mile radius. Significant storms (quarter-size or larger) account for 23 of the 31 events recorded over the last five years.
The largest documented hail near Waterbury in the last five years was baseball-sized or larger. Most Waterbury-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 Waterbury. 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 Waterbury 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 ValidationWaterbury 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.