Hail history for Delafield, Wisconsin
NOAA hail reports in and within about 5 km (3 miles) of Delafield since 2000, with preliminary reports to November 3, 2026.
Readout · Delafield
- Last hail
- Jul 27, 2026
- 1.00 in, quarter size
- Hail days, last 5 years
- 2
- since Nov 3, 2021 · 2 reports
- Largest ever
- 3.00 in
- teacup · Jun 7, 2008
10 reports on 9 days since 2000 · #237 of 271 Wisconsin places
Hail map · Delafield
- 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 Delafield is from July 27, 2026. A local roofer can check and document it at no cost.
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What the record says about Delafield
The latest hail report in and around Delafield is from July 27, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 1.00 in on July 27, 2026.
Over the 20 years 2006–2025, Delafield logged 5 reports on 4 hail days, about 0.3 reports a year. That is 44% less than the median Wisconsin town on this site (0.5 a year) and ranks #237 of 271 Wisconsin cities and towns on this site for all-time reports. Delafield accounts for 4% of the 265 reports filed in Waukesha County.
10% 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 3.00 in (teacup) on June 7, 2008 near 2 SSW Hartland.
The busiest year was 2013, with 2 reports on 1 day. Hail here peaks in May (30% of reports); 40% fall between April and June.
Reports a year 2006–2025 average
- Delafield 0.3
- Waukesha County 8.9
- Median Wisconsin town on this site 0.5
Hail days 2006–2025
- Delafield 4
- Waukesha County 67
- Median Wisconsin town on this site 7
Share 2 in or larger of sized reports
- Delafield 10%
- Waukesha County 6%
- 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 | 1 | 1 | |||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 1 | 1 | |||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jul 27, 2026 | 1 | 1.00 in | — |
| May 31, 2023 | 1 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Jun 7, 2008 | 3.00 inteacup | 2 SSW Hartland | Waukesha | — | 15:50 local · NCEI |
| May 18, 2000 | 1.25 inhalf dollar | Delafield | Waukesha | $5K | 08:06 local · NCEI |
| Jul 27, 2026 | 1.00 inquarter | 0.86 SE Delafield | Waukesha | — | 10:29 local · NCEI |
| May 31, 2023 | 1.00 inquarter | 0.5 W Delafield | Waukesha | — | 15:17 local · NCEI |
| Aug 30, 2013 | 1.00 inquarter | 0.86 NW Buena Vista | Waukesha | — | 14:23 local · NCEI |
Size of every report
- Under 1 in 3 30%
- 1–2 in 6 60%
- 2 in + 1 10%
Most recent reports
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Jul 27, 2026 | 1.00 inquarter | 0.86 SE Delafield | Waukesha | — | 10:29 local · NCEI |
| May 31, 2023 | 1.00 inquarter | 0.5 W Delafield | Waukesha | — | 15:17 local · NCEI |
| Aug 30, 2013 | 1.00 inquarter | 0.86 NW Buena Vista | Waukesha | — | 14:23 local · NCEI |
| Aug 30, 2013 | 1.00 inquarter | 0.5 E Delafield | Waukesha | — | 14:05 local · NCEI |
| Jun 7, 2008 | 3.00 inteacup | 2 SSW Hartland | Waukesha | — | 15:50 local · NCEI |
| Sep 8, 2006 | 0.88 innickel | 1 ESE Delafield | Waukesha | — | 15:37 local · NCEI |
| Jul 16, 2004 | 0.75 inpenny | Delafield | Waukesha | — | 11:27 local · NCEI |
| May 23, 2004 | 1.00 inquarter | 2 NE Delafield | Waukesha | — | 18:24 local · NCEI |
| Jul 2, 2000 | 0.88 innickel | Delafield | Waukesha | — | 19:25 local · NCEI |
| May 18, 2000 | 1.25 inhalf dollar | Delafield | Waukesha | $5K | 08:06 local · NCEI |
Hail history near Delafield
- Hartland 6 km · 10
- Summit 8 km · 17
- Oconomowoc 9 km · 38
- Waukesha 13 km · 26
- Eagle 21 km · 10
- Brookfield 22 km · 16
- Vernon 23 km · 12
- Richfield 23 km · 10
Questions about hail in Delafield
How often does it hail in Delafield, Wisconsin?
10 hail reports have been logged in and within about 5 km (3 miles) of Delafield since 2000. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #237 of 271 Wisconsin places by number of reports.
When is hail season in Delafield?
Most reports come in May, July, August. May alone accounts for 30% of all reports.
What is the largest hail recorded in Delafield?
3.00 in (teacup size) on June 7, 2008 near 2 SSW Hartland. 10% of reports here were 2 inches or larger.
When did it last hail in Delafield?
The most recent report in this data is from July 27, 2026 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Delafield had in the last five years?
2 separate days with hail reports since November 3, 2021, adding up to 2 reports. The most recent was July 27, 2026.
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.