Hail history for Washington County, Oregon
Every NOAA hail report filed in Washington County since 1963, with preliminary National Weather Service reports to November 3, 2026.
Readout · Washington County
- Last hail
- Mar 7, 2023
- 0.75 in, penny size
- Hail days, last 5 years
- 1
- since Nov 3, 2021 · 1 report
- Largest ever
- 1.75 in
- golf ball · May 12, 1993
8 reports on 7 days since 1963 · #24 of 26 Oregon counties
Hail map · Washington County
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
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What the record says about Washington County
The latest hail report in Washington County is from March 7, 2023, 0.75 in (penny size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 0.75 in on March 7, 2023.
Over the 20 years 2006–2025, Washington County logged 4 reports on 3 hail days, about 0.2 reports a year. That is 35% of the median Oregon county (0.6 a year) and ranks #24 of 26 Oregon counties for all-time reports. Washington County holds 1% of all 857 hail reports in Oregon.
0% of reports with a size were 2 inches (hen egg) or larger, against 0% for the median Oregon county. The largest hail on record here is 1.75 in (golf ball) on May 12, 1993 near Tualatin.
The busiest year was 2007, with 2 reports on 1 day. Hail here peaks in July (38% of reports); 38% fall between April and June.
Reports a year 2006–2025 average
- Washington County 0.2
- Median Oregon county 0.6
Hail days 2006–2025
- Washington County 3
- Median Oregon county 10.5
Share 2 in or larger of sized reports
- Washington County 0%
- Median Oregon county 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 | 1 | 1 | |||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 1 | 1 | |||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Mar 7, 2023 | 1 | 0.75 in | — |
Largest hail on record
| Date | Size | Location | Time · source |
|---|---|---|---|
| May 12, 1993 | 1.75 ingolf ball | Tualatin | 14:30 local · NCEI |
| Jul 12, 2007 | 1.00 inquarter | Sherwood | 22:15 local · NCEI |
| May 25, 1998 | 1.00 inquarter | Hillsboro | 16:00 local · NCEI |
| Jul 31, 1991 | 1.00 inquarter | — | 19:40 local · NCEI |
| Sep 15, 1963 | 1.00 inquarter | — | 17:00 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 3 38%
- 1–2 in 5 63%
- 2 in + 0 0%
Most recent reports
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| Mar 7, 2023 | 0.75 inpenny | 1 NNW Gaston | — | 16:55 local · NCEI |
| Jun 20, 2018 | 0.90 innickel | 0.11 SE Farmington | — | 20:58 local · NCEI |
| Jul 12, 2007 | 1.00 inquarter | Sherwood | — | 22:15 local · NCEI |
| Jul 12, 2007 | 0.63 inmarble | Beaverton | $1K | 22:10 local · NCEI |
| May 25, 1998 | 1.00 inquarter | Hillsboro | — | 16:00 local · NCEI |
| May 12, 1993 | 1.75 ingolf ball | Tualatin | — | 14:30 local · NCEI |
| Jul 31, 1991 | 1.00 inquarter | — | — | 19:40 local · NCEI |
| Sep 15, 1963 | 1.00 inquarter | — | — | 17:00 local · NCEI |
Smaller places with fewer than 10 reports
These places have too few reports for a page of their own, so their record lives here.
| Place | Reports | Hail days | Latest |
|---|---|---|---|
| Hillsboro | 2 | 2 | Jun 20, 2018 |
| Banks | 1 | 1 | Jul 31, 1991 |
| Beaverton | 1 | 1 | Jul 12, 2007 |
| Forest Grove | 1 | 1 | Sep 15, 1963 |
| Gaston | 1 | 1 | Mar 7, 2023 |
| Sherwood | 1 | 1 | Jul 12, 2007 |
Questions about hail in Washington County
How often does it hail in Washington County, Oregon?
8 hail reports have been logged in Washington County since 1963. Over the 20 years 2006–2025 that averages 0.2 reports a year. That ranks #24 of 26 Oregon counties by number of reports.
When is hail season in Washington County?
Most reports come in July, May, March. July alone accounts for 38% of all reports.
What is the largest hail recorded in Washington County?
1.75 in (golf ball size) on May 12, 1993 near Tualatin. 0% of reports here were 2 inches or larger.
When did it last hail in Washington County?
The most recent report in this data is from March 7, 2023 (0.75 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Washington County had in the last five years?
1 separate days with hail reports since November 3, 2021, adding up to 1 reports. The most recent was March 7, 2023.
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.