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 58 hail storms within 25 miles of Pottstown, PA. Of those, 31 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. 2023 was the most active year on record locally, with 17 documented hail events.
Check Hail History for a Specific Address in Pottstown| Severity | Count | What it means for roofs |
|---|---|---|
| Severe | 2 events | Ping pong-size, granule loss and bruising common |
| Significant | 29 events | Quarter-size, the standard insurance damage threshold |
| Moderate | 23 events | Marble-size, possible cosmetic damage |
| Minor | 4 events | Pea-size, unlikely to damage modern shingles |
| Year | Reported Hail Events Within 25 mi |
|---|---|
| 2026 | 13 events |
| 2025 | 3 events |
| 2024 | 10 events |
| 2023 | 17 events |
| 2022 | 15 events |
2023 was the busiest hail year on record locally for Pottstown, with 17 documented events inside the 25-mile radius. Storm activity in Pottstown 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 |
|---|---|---|---|---|
| 2026-08-20 | 2 N Plymouth Meeting, PA | Moderate | 0.75" | Report from mPING: Dime (0.75 in.). |
| 2026-08-20 | 1 N Plymouth Meeting, PA | Moderate | 0.75" | Report from mPING: Dime (0.75 in.). |
| 2026-07-28 | 2 NE Wescosville, PA | Moderate | 0.88" | Spotter Network report of nickel size hail. |
| 2026-06-22 | 1 N Upper Uwchlan Twp, PA | Significant | 1.00" | Report from mPING: Quarter (1.00 in.). |
| 2026-06-22 | LUDWIGS CORNER, PA | Significant | 1.00" | Quarter sized hail reported from mping. |
| 2026-06-06 | Spring Twp, PA | Minor | 0.25" | — |
| 2026-05-20 | 1 WNW Wayne, PA | Significant | 1.00" | Time estimated from radar. Picture sent in from skywarn spotter. |
| 2026-05-20 | WAYNE, PA | Significant | 1.00" | Skywarn spotter sent a picture of quarter-sized hail. |
| 2026-03-06 | Blandon, PA | Significant | 1.37" | — |
| 2026-03-06 | 3 W Upper Macungie Twp., PA | Significant | 1.04" | Mesonet station DW6615 Breinigsville. |
| 2026-03-03 | 2 ESE Sanatoga, PA | Minor | 0.06" | ASOS station KPTW Pottstown. |
| 2026-03-03 | 1 S Reading Regional Ai, PA | Minor | 0.02" | ASOS station KRDG Reading. |
| 2026-03-03 | Stowe, PA | Minor | 0.05" | Updates previous report. |
| 2025-07-08 | STOWE, PA | Moderate | 0.75" | A report from Mping of 0.75 inch hail. Time estimated from radar. |
| 2025-07-08 | KULPTOWN, PA | Significant | 1.00" | Relayed via social media. Time included with report. |
| 2025-07-08 | POTTSTOWN, PA | Significant | 1.00" | Quarter-size hail in Pottstown. Video sent via social media. Time included with report. |
| 2024-08-18 | OAKS, PA | Moderate | 0.75" | Report from MPING. Dime to nickel sized hail. Time given in report. |
| 2024-08-18 | VALLEY FORGE, PA | Moderate | 0.75" | Report from MPING. Dime to nickel sized hail. Time given in report. |
| 2024-08-18 | FAIRVIEW VLY, PA | Moderate | 0.88" | Report from MPING of nickel sized hail. Time given in report. |
| 2024-08-18 | EVANSBURG, PA | Moderate | 0.88" | Report from MPING of nickel sized hail. Time given in report. |
NOAA has recorded 421 high-wind events within 25 miles of Pottstown, PA in the past five years. Of those, 421 reached severe-thunderstorm thresholds (58+ mph). The highest measured gust was 90 mph.
| Severity | Count |
|---|---|
| Severe | 18 events |
| Significant | 403 events |
| Date | Location | Gust (mph) | Severity | NOAA Comments |
|---|---|---|---|---|
| 2026-08-17 | Reading Regional Airpor, PA | 53 | Significant | — |
| 2026-07-11 | 1 SSW Haverford, PA | 60 | Significant | Trained spotter estimates wind gusts up to 60 mph in Ardmore, Haverford Township. Flooding on Haverford Road. |
| 2026-07-05 | 1 WSW Valley Twp, PA | 58 | Significant | — |
| 2026-07-05 | 1 SE Valley Twp, PA | 58 | Significant | Westwood Mesonet gusted to 58 MPH. |
| 2026-07-05 | 1 NNE East Caln Twp, PA | 62 | Significant | Measured from anemometer. Reported from spotter network. |
| 2026-06-22 | MARSHALLTON, PA | 58 | Significant | Multiple reports of wires down along Clayton Road. Time estimated from radar. |
| 2026-06-22 | ALDHAM, PA | 58 | Significant | Trees and wires down reported around Charlestown Township. Time estimated by radar. |
| 2026-06-22 | BETZWOOD, PA | 58 | Significant | Multiple trees uprooted with large branches also snapped. Time estimated from radar. |
| 2026-06-22 | HOWELLVILLE, PA | 58 | Significant | Delayed report. Multiple trees down near Welsh Valley Rd and Yellow Springs Rd. Time estimated from radar. |
| 2026-06-22 | MIQUON, PA | 58 | Significant | Downed tree on I-76 westbound 2.5 miles east of Exit 332. Time given in report. |
| 2026-06-14 | BROOMALL, PA | 58 | Significant | Reports of wires down around Broomall. Time estimated from radar. |
| 2026-06-14 | BROOMALL, PA | 58 | Significant | Trees and wires down around Marple Township. Time estimated from radar. |
| 2026-06-14 | ROXBOROUGH, PA | 58 | Significant | Public sent in photos on facebook of trees down in parking lot near intersection of Ridge Ave and Bells Mill Rd. Time estimated from radar. |
| 2026-06-14 | CHALFONT, PA | 58 | Significant | Delayed report...Trained spotter sent in photos of trees down and uprooted along Upper State Road along the side streets of BlackBurn Drive and Grove Circle. Time estimated from radar. |
| 2026-06-14 | RADNOR, PA | 58 | Significant | Trees down around Radnor Township. Time estimated from radar. |
| 2026-06-11 | DAUBERVILLE, PA | 58 | Significant | A tree was blown down near Bellemans Church Road. |
| 2026-06-11 | ALLENTOWN MUNI, PA | 58 | Significant | Wires were blown down. |
| 2026-06-06 | 1 W Valley Twp, PA | 49 | Significant | AWOS station KMQS Coatesville. |
| 2026-06-06 | CHATWOOD, PA | 63 | Significant | Some trees were blown down near the Chester County Hospital. |
| 2026-06-06 | SOUTH COATSVILLE, PA | 58 | Significant | Multiple wires blown down. |
The most recent quarter-size-or-larger hail storm recorded by NOAA within 25 miles of Pottstown was on June 22, 2026. HailCheck refreshes from the NOAA Storm Events database daily, so newer events appear here as they are reported.
Pottstown averages roughly 12 reported hail events per year within a 25-mile radius. Significant storms (quarter-size or larger) account for 31 of the 58 events recorded over the last five years.
The largest documented hail near Pottstown in the last five years was ping pong ball-sized. Most Pottstown-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 PA 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 Pottstown. 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 Pottstown 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 ValidationPottstown 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.