Hail history for Hartford, Wisconsin
NOAA hail reports in and within about 5 km (3 miles) of Hartford since 1962, with preliminary reports to November 3, 2026.
Readout · Hartford
- Last hail
- May 15, 2025
- 1.25 in, half dollar size
- Hail days, last 5 years
- 3
- since Nov 3, 2021 · 4 reports
- Largest ever
- 1.75 in
- golf ball · Aug 2, 2015
31 reports on 25 days since 1962 · #32 of 271 Wisconsin places
Hail map · Hartford
- 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 Hartford
The latest hail report in and around Hartford is from May 15, 2025, 1.25 in (half dollar size). Since November 3, 2021 there have been 3 separate hail days; the biggest stones in that time were 1.50 in on April 19, 2023.
Over the 20 years 2006–2025, Hartford logged 25 reports on 19 hail days, about 1.3 reports a year. That is 2.8 times the median Wisconsin town on this site (0.5 a year) and ranks #32 of 271 Wisconsin cities and towns on this site for all-time reports. Hartford accounts for 22% of the 140 reports filed in Washington County.
0% of reports with a size were 2 inches (hen egg) or larger, against 6% for the median Wisconsin town on this site. The largest hail on record here is 1.75 in (golf ball) on August 2, 2015 near 0.5 W Hartford.
Reports were down 44% in 2016–2025 (9) compared with 2006–2015 (16). The busiest year was 2013, with 4 reports on 2 days. Hail here peaks in June (26% of reports); 61% fall between April and June.
Reports a year 2006–2025 average
- Hartford 1.3
- Washington County 4.7
- Median Wisconsin town on this site 0.5
Hail days 2006–2025
- Hartford 19
- Washington County 46
- Median Wisconsin town on this site 7
Share 2 in or larger of sized reports
- Hartford 0%
- Washington County 5%
- Median Wisconsin town on this site 6%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 2 | 2 | |||||||||||
| 2024 | 1 | 1 | |||||||||||
| 2023 | 1 | 1 | |||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 1 | 1 | |||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 1 | 1 | 1 | 3 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| May 15, 2025 | 2 | 1.25 in | — |
| Jun 25, 2024 | 1 | 0.88 in | — |
| Apr 19, 2023 | 1 | 1.50 in | — |
Largest hail on record
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Aug 2, 2015 | 1.75 ingolf ball | 0.5 W Hartford | Washington | — | 17:50 local · NCEI |
| Jun 6, 2011 | 1.75 ingolf ball | 1.5 SW Hartford | Washington | $100K | 08:25 local · NCEI |
| May 19, 1982 | 1.75 ingolf ball | — | Washington | — | 19:00 local · NCEI |
| Apr 19, 2023 | 1.50 inping pong ball | 2.81 S Hartford | Washington | — | 15:57 local · NCEI |
| May 15, 2025 | 1.25 inhalf dollar | 1.47 SSE Hartford | Washington | — | 17:24 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 11 35%
- 1–2 in 20 65%
- 2 in + 0 0%
Most recent reports
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| May 15, 2025 | 1.25 inhalf dollar | 1.47 SSE Hartford | Washington | — | 17:24 local · NCEI |
| May 15, 2025 | 1.00 inquarter | 1.01 E Hartford | Washington | — | 17:23 local · NCEI |
| Jun 25, 2024 | 0.88 innickel | 0.5 W Hartford | Washington | — | 04:02 local · NCEI |
| Apr 19, 2023 | 1.50 inping pong ball | 2.81 S Hartford | Washington | — | 15:57 local · NCEI |
| Oct 12, 2020 | 0.75 inpenny | Hartford | Washington | — | 10:11 local · NCEI |
| Aug 10, 2017 | 1.00 inquarter | 0.5 W Hartford | Washington | $1K | 15:23 local · NCEI |
| Jun 12, 2017 | 1.00 inquarter | 0.5 W Hartford | Washington | — | 18:30 local · NCEI |
| Feb 28, 2017 | 1.00 inquarter | 1.47 NNW Hartford Arpt | Washington | — | 10:32 local · NCEI |
| Apr 25, 2016 | 1.00 inquarter | 1.51 E Hartford | Washington | — | 15:59 local · NCEI |
| Aug 2, 2015 | 1.00 inquarter | 0.85 SW Hartford | Washington | — | 17:51 local · NCEI |
| Aug 2, 2015 | 1.75 ingolf ball | 0.5 W Hartford | Washington | — | 17:50 local · NCEI |
| Aug 2, 2015 | 0.88 innickel | 0.5 W Hartford | Washington | — | 17:42 local · NCEI |
Hail history near Hartford
- Allenton 11 km · 10
- Richfield 15 km · 10
- West Bend 19 km · 23
- Germantown 23 km · 31
- Hartland 25 km · 10
- Horicon 25 km · 10
- Oconomowoc 26 km · 38
- Kekoskee 26 km · 12
Questions about hail in Hartford
How often does it hail in Hartford, Wisconsin?
31 hail reports have been logged in and within about 5 km (3 miles) of Hartford since 1962. Over the 20 years 2006–2025 that averages 1.3 reports a year. That ranks #32 of 271 Wisconsin places by number of reports.
When is hail season in Hartford?
Most reports come in June, May, August. June alone accounts for 26% of all reports.
What is the largest hail recorded in Hartford?
1.75 in (golf ball size) on August 2, 2015 near 0.5 W Hartford. 0% of reports here were 2 inches or larger.
When did it last hail in Hartford?
The most recent report in this data is from May 15, 2025 (1.25 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Hartford had in the last five years?
3 separate days with hail reports since November 3, 2021, adding up to 4 reports. The most recent was May 15, 2025.
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.