Hail history for Rockville, Maryland
NOAA hail reports in and within about 5 km (3 miles) of Rockville since 1969, with preliminary reports to November 3, 2026.
Readout · Rockville
- Last hail
- Jun 2, 2019
- 1.75 in, golf ball size
- Hail days, last 5 years
- 0
- since Nov 3, 2021 · 0 reports
- Largest ever
- 2.75 in
- baseball · May 2, 2016
15 reports on 12 days since 1969 · #9 of 33 Maryland places
Hail map · Rockville
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
Roof damage after hail? Get a free inspection
Hail bruises shingles and cracks seals in ways you can't see from the ground, and most insurers set a claim deadline after the storm. The latest hail report in Rockville is from June 2, 2019. A local roofer can check and document it at no cost.
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What the record says about Rockville
The latest hail report in and around Rockville is from June 2, 2019, 1.75 in (golf ball size). There has been no hail report here in the five years since November 3, 2021.
Over the 20 years 2006–2025, Rockville logged 7 reports on 5 hail days, about 0.3 reports a year. That is about the same as the median Maryland town on this site (0.3 a year) and ranks #9 of 33 Maryland cities and towns on this site for all-time reports. Rockville accounts for 8% of the 191 reports filed in Montgomery County.
13% of reports with a size were 2 inches (hen egg) or larger, against 0% for the median Maryland town on this site. The largest hail on record here is 2.75 in (baseball) on May 2, 2016 near 0.87 SW Rockville.
The busiest year was 2019, with 2 reports on 1 day. Hail here peaks in June (33% of reports); 73% fall between April and June.
Reports a year 2006–2025 average
- Rockville 0.3
- Montgomery County 5.3
- Median Maryland town on this site 0.3
Hail days 2006–2025
- Rockville 5
- Montgomery County 44
- Median Maryland town on this site 5
Share 2 in or larger of sized reports
- Rockville 13%
- Montgomery County 4%
- Median Maryland town on this site 0%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 2 | 2 | |||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 0 |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| May 2, 2016 | 2.75 inbaseball | 0.87 SW Rockville | Montgomery | 17:50 local · NCEI |
| May 2, 2016 | 2.50 intennis ball | Rockville | Montgomery | 17:58 local · NCEI |
| Jun 2, 2019 | 1.75 ingolf ball | Rockville | Montgomery | 16:50 local · NCEI |
| Apr 3, 1982 | 1.75 ingolf ball | — | Montgomery | 15:00 local · NCEI |
| Jun 4, 1971 | 1.75 ingolf ball | — | Montgomery | 16:25 local · NCEI |
Sizes filed before 1996 are often rough estimates (round numbers like 7.00 or 8.00 in) without an exact spot; they are shown as NOAA filed them.
Size of every report
- Under 1 in 7 47%
- 1–2 in 6 40%
- 2 in + 2 13%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Jun 2, 2019 | 1.75 ingolf ball | Rockville | Montgomery | 16:50 local · NCEI |
| Jun 2, 2019 | 1.50 inping pong ball | 1.38 S Rockville | Montgomery | 16:45 local · NCEI |
| May 2, 2016 | 2.50 intennis ball | Rockville | Montgomery | 17:58 local · NCEI |
| May 2, 2016 | 2.75 inbaseball | 0.87 SW Rockville | Montgomery | 17:50 local · NCEI |
| Apr 21, 2009 | 0.75 inpenny | Autrey Park | Montgomery | 17:23 local · NCEI |
| Jun 10, 2008 | 0.75 inpenny | 1.75 SW Rockville | Montgomery | 19:20 local · NCEI |
| Mar 8, 2008 | 0.75 inpenny | Rockville | Montgomery | 16:00 local · NCEI |
| May 2, 2002 | 0.80 inpenny | Rockville | Montgomery | 14:35 local · NCEI |
| Apr 21, 2000 | 1.00 inquarter | Rockville | Montgomery | 15:21 local · NCEI |
| Jul 7, 1991 | 1.00 inquarter | — | Montgomery | 17:45 local · NCEI |
| Jul 7, 1991 | 0.75 inpenny | — | Montgomery | 17:30 local · NCEI |
| Jul 1, 1990 | 0.75 inpenny | — | Montgomery | 12:45 local · NCEI |
Hail history near Rockville
- Aspen Hill 6 km · 13
- Gaithersburg 8 km · 14
- Bethesda 11 km · 10
- Germantown 14 km · 14
- Silver Spring 15 km · 12
- Damascus 21 km · 22
- Columbia 29 km · 16
- Severn 40 km · 12
Questions about hail in Rockville
How often does it hail in Rockville, Maryland?
15 hail reports have been logged in and within about 5 km (3 miles) of Rockville since 1969. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #9 of 33 Maryland places by number of reports.
When is hail season in Rockville?
Most reports come in June, April, May. June alone accounts for 33% of all reports.
What is the largest hail recorded in Rockville?
2.75 in (baseball size) on May 2, 2016 near 0.87 SW Rockville. 13% of reports here were 2 inches or larger.
When did it last hail in Rockville?
The most recent report in this data is from June 2, 2019 (1.75 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Rockville had in the last five years?
None: there has been no hail report in and within about 5 km (3 miles) of Rockville since November 3, 2021. The last one was on June 2, 2019.
Where does this hail data come from?
Hail reports come from the NOAA NCEI Storm Events Database, which the National Weather Service compiles from spotter, public, law enforcement and media reports. Recent days use preliminary NWS Local Storm Reports via the Iowa Environmental Mesonet until NOAA publishes final data. Only reported hail is counted, so areas with fewer people tend to have fewer reports.