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 35 hail storms within 25 miles of Marlborough, MA. Of those, 29 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 26 documented hail events.
Check Hail History for a Specific Address in Marlborough| Severity | Count | What it means for roofs |
|---|---|---|
| Destructive | 11 events | Egg-size, expect mat fractures and gutter damage |
| Severe | 7 events | Ping pong-size, granule loss and bruising common |
| Significant | 11 events | Quarter-size, the standard insurance damage threshold |
| Moderate | 3 events | Marble-size, possible cosmetic damage |
| Minor | 3 events | Pea-size, unlikely to damage modern shingles |
| Year | Reported Hail Events Within 25 mi |
|---|---|
| 2026 | 26 events |
| 2025 | 2 events |
| 2024 | 4 events |
| 2023 | 3 events |
2026 was the busiest hail year on record locally for Marlborough, with 26 documented events inside the 25-mile radius. Storm activity in Marlborough 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 |
|---|---|---|---|---|
| 2026-03-06 | Leicester, MA | Minor | 0.20" | Relayed via amateur radio. |
| 2026-03-06 | 1 W Pepperell, MA | Significant | 1.40" | Relayed via amateur radio. |
| 2026-03-06 | Lowell, MA | Significant | 1.00" | — |
| 2026-03-04 | Grafton, MA | Minor | 0.20" | Reported by Trained Spotter. |
| 2026-03-04 | Grafton, MA | Severe | 1.90" | Reported by NWS Employee. |
| 2026-03-04 | 1 NE Winchester, MA | Destructive | 2.50" | Reported by Trained Spotter. |
| 2026-03-04 | 1 NW Lexington, MA | Severe | 1.60" | Reported by Trained Spotter. |
| 2026-03-04 | 1 W Pepperell, MA | Minor | 0.20" | Reported by Trained Spotter. |
| 2026-03-04 | 2 W Wilmington, MA | Destructive | 2.50" | Reported by Media. |
| 2026-03-03 | Marlborough, MA | Severe | 1.50" | Reported by Trained Spotter. |
| 2026-03-03 | Worcester AP, MA | Severe | 1.50" | — |
| 2026-03-03 | 2 SW Hopkinton, MA | Significant | 1.00" | — |
| 2026-03-03 | 2 NW Grafton, MA | Destructive | 2.00" | Reported by Trained Spotter. |
| 2026-03-03 | 1 NE Fenway Park, MA | Severe | 1.60" | Reported by Trained Spotter. |
| 2026-03-03 | 1 S Waltham, MA | Destructive | 2.40" | Reported by Trained Spotter. |
| 2026-03-03 | 1 SW Lexington, MA | Moderate | 0.50" | Reported by Trained Spotter. |
| 2026-03-03 | 1 NW Lexington, MA | Significant | 1.40" | Reported by Trained Spotter. |
| 2026-03-03 | 1 W Bedford, MA | Destructive | 2.10" | — |
| 2026-03-03 | 1 W Medford, MA | Severe | 1.80" | — |
| 2026-03-03 | 3 E Acton, MA | Destructive | 2.00" | — |
NOAA has recorded 183 high-wind events within 25 miles of Marlborough, MA in the past five years. Of those, 183 reached severe-thunderstorm thresholds (58+ mph). The highest measured gust was 70 mph.
| Severity | Count |
|---|---|
| Severe | 5 events |
| Significant | 178 events |
| Date | Location | Gust (mph) | Severity | NOAA Comments |
|---|---|---|---|---|
| 2026-06-06 | AUBURN, MA | 58 | Significant | In Auburn, a tree was down blocking both lanes of travel in the vicinity of 2 Millbury Street. |
| 2026-06-06 | EDGEMERE, MA | 58 | Significant | In Worcester, power lines were down on Sunderland Rd. |
| 2026-05-19 | LANCASTER, MA | 58 | Significant | In Lancaster a tree and wires were down near Havard Road. |
| 2026-05-19 | WEST SUTTON, MA | 58 | Significant | In Sutton, a tree was down on wires wires causing them to catch on fire. |
| 2026-05-19 | PAXTON, MA | 58 | Significant | In Paxton, trees and wires were down on multiple streets including Holbrook Ln and West St. |
| 2026-05-19 | HUDSON, MA | 58 | Significant | In Hudson, a tree and wires were down on Bertha St. |
| 2026-05-19 | (ORH)WORCESTER MUNI, MA | 58 | Significant | A peak gust of 59 kts or 68 mph was reported at Worcester airport. |
| 2026-05-19 | OXFORD, MA | 58 | Significant | In Oxford, trees and wires were down in multiple locations. |
| 2026-05-19 | NORTHBOROUGH, MA | 58 | Significant | In Northborough, on West St trees and wires were reported down. |
| 2026-05-19 | LEICESTER, MA | 58 | Significant | In Leicester a large tree was reported down. |
| 2026-05-19 | MORNINGDALE, MA | 58 | Significant | Near Worcester a part of a rubber roof on an Amory building blew off. |
| 2026-05-19 | PINE REST, MA | 58 | Significant | In Sudbury, a tree was down blocking half the road on Hudson Rd. |
| 2026-05-19 | WEST CONCORD, MA | 58 | Significant | In Concord, a tree was down on a car. Two minor injuries were reported. |
| 2026-05-19 | NEEDHAM, MA | 58 | Significant | In Needham, a large tree branch was down on Great Plain Avenue. |
| 2026-05-19 | WEST CONCORD, MA | 58 | Significant | Near Maynard a tree was reported down on Sudbury road. |
| 2026-05-19 | ROCKVILLE, MA | 58 | Significant | In Norfolk, wires were down on Cleveland St. |
| 2026-04-14 | TURKEY HILL SHRS, MA | 59 | Significant | In Rutland, a tree was downed on wires near Turkey Hill Rd. |
| 2026-04-14 | SOUTH LANCASTER, MA | 59 | Significant | In Lancaster, a tree was down on a house near Crescent St. |
| 2026-04-14 | BROOKS, MA | 59 | Significant | In Princeton, there were downed trees and wires near Ball Hill Rd. |
| 2026-04-14 | LOVELLVILLE, MA | 59 | Significant | In Holden, a tree was down on a house near Manning St. |
The most recent quarter-size-or-larger hail storm recorded by NOAA within 25 miles of Marlborough was on March 6, 2026. HailCheck refreshes from the NOAA Storm Events database daily, so newer events appear here as they are reported.
Marlborough averages roughly 7 reported hail events per year within a 25-mile radius. Significant storms (quarter-size or larger) account for 29 of the 35 events recorded over the last five years.
The largest documented hail near Marlborough in the last five years was egg-sized. Most Marlborough-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 MA 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 Marlborough. 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 Marlborough 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 ValidationMarlborough 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.