Hail History

Hail history for Pittsburgh, Pennsylvania

NOAA hail reports in and within about 5 km (3 miles) of Pittsburgh since 1963, with preliminary reports to November 3, 2026.

Readout · Pittsburgh

Last hail
Apr 2, 2025
1.00 in, quarter size
Hail days, last 5 years
3
since Nov 3, 2021 · 6 reports
Largest ever
2.50 in
tennis ball · Apr 14, 1984

81 reports on 55 days since 1963 · #1 of 108 Pennsylvania places

Hail map · Pittsburgh

Pittsburgh West View West Mifflin Penn Hills Bethel Park Allison Park East McKeesport McKeesport Franklin Park 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
81 most recent reports with a location; Allegheny County is shaded. Open street map

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What the record says about Pittsburgh

The latest hail report in and around Pittsburgh is from April 2, 2025, 1.00 in (quarter size). Since November 3, 2021 there have been 3 separate hail days; the biggest stones in that time were 1.50 in on April 2, 2025.

Over the 20 years 2006–2025, Pittsburgh logged 55 reports on 29 hail days, about 2.8 reports a year. That is 6.1 times the median Pennsylvania town on this site (0.5 a year) and ranks #1 of 108 Pennsylvania cities and towns on this site for all-time reports. Pittsburgh accounts for 18% of the 446 reports filed in Allegheny County.

4% of reports with a size were 2 inches (hen egg) or larger, against 0% for the median Pennsylvania town on this site. The largest hail on record here is 2.50 in (tennis ball) on April 14, 1984.

Reports held about level in 2016–2025 (28) compared with 2006–2015 (27). The busiest year was 2021, with 13 reports on 3 days. Hail here peaks in June (31% of reports); 53% fall between April and June.

Reports a year 2006–2025 average

  • Pittsburgh 2.8
  • Allegheny County 15.1
  • Median Pennsylvania town on this site 0.5

Hail days 2006–2025

  • Pittsburgh 29
  • Allegheny County 76
  • Median Pennsylvania town on this site 6

Share 2 in or larger of sized reports

  • Pittsburgh 4%
  • Allegheny County 2%
  • Median Pennsylvania town on this site 0%

Hail over time

051015 1963: 1 reports, largest 0.75 in 1964: 1 reports, largest 0.75 in 1968: 1 reports, largest 1.00 in 1970 1975: 1 reports, largest 1.00 in 1976: 1 reports, largest 1.00 in 1978: 2 reports, largest 2.00 in 1980: 1 reports, largest 1.00 in 1980 1983: 1 reports, largest 2.00 in 1984: 1 reports, largest 2.50 in 1985: 1 reports, largest 0.75 in 1987: 1 reports, largest 0.75 in 1990 1991: 1 reports, largest 0.75 in 1992: 1 reports, largest 0.75 in 1996: 1 reports, largest 1.00 in 1997: 1 reports, largest 1.00 in 1998: 3 reports, largest 0.75 in 2000: 1 reports, largest 1.25 in 2000 2001: 2 reports, largest 1.00 in 2002: 1 reports, largest 1.00 in 2003: 2 reports, largest 1.00 in 2004: 1 reports, largest 0.75 in 2006: 4 reports, largest 0.88 in 2007: 4 reports, largest 1.00 in 2009: 3 reports, largest 0.88 in 2010 2011: 9 reports, largest 1.75 in 2012: 2 reports, largest 1.25 in 2013: 4 reports, largest 1.25 in 2015: 1 reports, largest 1.00 in 2016: 4 reports, largest 1.00 in 2018: 2 reports, largest 1.00 in 2019: 3 reports, largest 1.50 in 2020 2021: 13 reports, largest 1.25 in 2022: 1 reports, largest 1.00 in 2025: 5 reports, largest 1.50 in
Reports per year, 1963–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0102030 January: 1 reports (1%) Jan Feb March: 11 reports (14%) Mar April: 9 reports (11%) Apr May: 9 reports (11%) May June: 25 reports (31%) Jun July: 18 reports (22%) Jul August: 6 reports (7%) Aug September: 1 reports (1%) Sep Oct Nov December: 1 reports (1%) Dec
All 81 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 23 5
2024 0
2023 0
2022 1 1
2021 121 13
2020 0
2019 12 3
2018 11 2
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Apr 2, 2025 3 1.50 in —
Mar 16, 2025 2 1.00 in —
Jul 23, 2022 1 1.00 in —

Largest hail on record

Largest hail reports in Pittsburgh
Date Size Location County Time · source
Apr 14, 1984 2.50 intennis ball — Allegheny 12:35 local · NCEI
Jul 19, 1983 2.00 inhen egg — Allegheny 12:30 local · NCEI
Jul 10, 1978 2.00 inhen egg — Allegheny 11:00 local · NCEI
Mar 23, 2011 1.75 ingolf ball 1.2 NE Option Allegheny 16:21 local · NCEI
Mar 23, 2011 1.75 ingolf ball 0.69 N Option Allegheny 16:16 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

Most recent reports

Most recent hail reports in Pittsburgh
Date Size Location County Time · source
Apr 2, 2025 1.00 inquarter 0.87 NE Highcliff Allegheny 13:22 local · NCEI
Apr 2, 2025 1.00 inquarter 0.87 NE Highcliff Allegheny 13:21 local · NCEI
Apr 2, 2025 1.50 inping pong ball 0.69 N Ben Avon Allegheny 13:20 local · NCEI
Mar 16, 2025 1.00 inquarter 0.87 SE Bellevue Allegheny 11:40 local · NCEI
Mar 16, 2025 0.88 innickel Option Allegheny 11:37 local · NCEI
Jul 23, 2022 1.00 inquarter 0.87 NE Highcliff Allegheny 13:59 local · NCEI
Jul 7, 2021 0.75 inpenny 0.53 E Shalecrest Allegheny 14:54 local · NCEI
Jun 30, 2021 0.75 inpenny 1.74 NW Munhall Allegheny 12:23 local · NCEI
Jun 30, 2021 1.00 inquarter 0.53 E Option Allegheny 12:15 local · NCEI
Jun 13, 2021 0.75 inpenny 2.1 NW Edgewood Allegheny 17:30 local · NCEI
Jun 13, 2021 0.75 inpenny 1.74 NW Munhall Allegheny 17:30 local · NCEI
Jun 13, 2021 1.25 inhalf dollar 2.52 WSW Aspinwall Allegheny 17:24 local · NCEI

Hail history near Pittsburgh

Questions about hail in Pittsburgh

How often does it hail in Pittsburgh, Pennsylvania?

81 hail reports have been logged in and within about 5 km (3 miles) of Pittsburgh since 1963. Over the 20 years 2006–2025 that averages 2.8 reports a year. That ranks #1 of 108 Pennsylvania places by number of reports.

When is hail season in Pittsburgh?

Most reports come in June, July, March. June alone accounts for 31% of all reports.

What is the largest hail recorded in Pittsburgh?

2.50 in (tennis ball size) on April 14, 1984. 4% of reports here were 2 inches or larger.

When did it last hail in Pittsburgh?

The most recent report in this data is from April 2, 2025 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has Pittsburgh had in the last five years?

3 separate days with hail reports since November 3, 2021, adding up to 6 reports. The most recent was April 2, 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.