All-time weather records — Pittsburgh, PA

Record high
102.0°F
July 14, 1936
Record low
-16.1°F
January 23, 1936
Wettest day
6.00 in
September 17, 2004

Climate change signal in Pittsburgh

25.1%

of Pittsburgh's all-time daily heat records were set in the last decade (92 of 366 records since 2015).

21.3%

of all-time daily cold records were set in the last decade (78 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 #
1930s
54
76
1940s
57
65
1950s
33
37
1990s
12
5
2000s
69
73
2010s
87
83
2020s
54
27

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 1935, the latest in 2026. Period of observation: 1935-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 75.0°F — Jan 25, 1950 -16.1°F — Jan 23, 1936 2.27 in — Jan 5, 2005
February 77.0°F — Feb 20, 2018 -8.0°F — Feb 19, 1936 1.44 in — Feb 6, 2004
March 84.0°F — Mar 22, 2026 1.2°F — Mar 6, 2015 1.78 in — Mar 17, 1936
April 86.0°F — Apr 5, 2023 15.1°F — Apr 14, 1950 2.06 in — Apr 2, 2024
May 91.9°F — May 26, 1939 28.2°F — May 9, 2020 2.79 in — May 18, 1999
June 99.0°F — Jun 29, 2012 39.0°F — Jun 8, 1949 3.19 in — Jun 20, 2018
July 102.0°F — Jul 14, 1936 46.9°F — Jul 2, 2001 2.50 in — Jul 28, 2017
August 99.0°F — Aug 27, 1948 46.0°F — Aug 31, 1935 4.25 in — Aug 6, 2000
September 96.1°F — Sep 13, 1952 1.2°F — Sep 20, 2021 6.00 in — Sep 17, 2004
October 89.1°F — Oct 1, 2019 1.2°F — Oct 30, 2024 1.98 in — Oct 7, 2019
November 80.1°F — Nov 1, 1950 7.0°F — Nov 25, 1950 2.51 in — Nov 19, 2003
December 73.0°F — Dec 1, 2006 -5.1°F — Dec 16, 1951 1.46 in — Dec 17, 2001

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