All-time weather records — Duquesne, PA

Record high
98.1°F
July 8, 2012
Record low
-11.0°F
January 31, 2026
Wettest day
7.35 in
September 18, 2004

Climate change signal in Duquesne

75.4%

of Duquesne's all-time daily heat records were set in the last decade (276 of 366 records since 2015).

80.3%

of all-time daily cold records were set in the last decade (294 of 366 records since 2015).

If records were spread evenly across the station's history, you'd expect roughly 5% per decade. Decade-by-decade, here's where each record-breaking day was set:

Decade Heat records set # Cold records set #
1940s
·
·
1950s
·
·
1960s
·
·
1970s
12
14
1980s
·
·
1990s
·
·
2000s
·
·
2010s
215
168
2020s
139
184

Records are the all-time daily extremes that are still standing — each daily record can only be held by one year. The station's earliest hot record was set in 1977, the latest in 2026. Period of observation: 1943-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 68.0°F — Jan 12, 2020 -11.0°F — Jan 31, 2026 2.22 in — Jan 6, 2005
February 75.9°F — Feb 21, 2018 -11.0°F — Feb 1, 2026 2.30 in — Feb 2, 1988
March 88.0°F — Mar 29, 2018 1.9°F — Mar 6, 2015 2.40 in — Mar 31, 1998
April 86.0°F — Apr 6, 2023 25.0°F — Apr 10, 2016 2.28 in — Apr 7, 1967
May 93.9°F — May 29, 1978 30.9°F — May 1, 2018 4.44 in — May 19, 1999
June 97.0°F — Jun 18, 2018 41.0°F — Jun 4, 2019 4.48 in — Jun 18, 2009
July 98.1°F — Jul 8, 2012 34.0°F — Jul 16, 2020 3.04 in — Jul 20, 1969
August 98.1°F — Aug 21, 2019 17.1°F — Aug 6, 1978 4.78 in — Aug 7, 2000
September 95.0°F — Sep 26, 2017 41.0°F — Sep 20, 2020 7.35 in — Sep 18, 2004
October 89.1°F — Oct 2, 2019 28.9°F — Oct 19, 2015 3.99 in — Oct 16, 1954
November 80.1°F — Nov 10, 2020 5.0°F — Nov 30, 2022 2.10 in — Nov 4, 1985
December 68.0°F — Dec 3, 2018 -5.1°F — Dec 24, 2022 2.47 in — Dec 1, 2010

Click a month to see every daily record for that month in Duquesne.