Thermograph

How unusual is the weather? Graded against ~45 years of local climate history.

Pittsburgh, Pennsylvania, United States weather records

Record high and low temperatures for Pittsburgh, Pennsylvania, United States, by month, by season, and all-time, with the dates they occurred, across 1981–2026 of daily climate history. Its hottest day on record reached 103°F on 1988-07-16; its coldest fell to -26°F on 1994-01-19.

Records by month

The warmest (▲) and coldest (▼) both the daytime high and the overnight low have ever been in each calendar month, so each column shows its record high and its record low. Tap a month for its full averages and typical range.

MonthDaytime highOvernight low
January
67°F2002-01-31
-8°F1994-01-19
52°F2013-01-13
-26°F1994-01-19
February
72°F2017-02-24
5°F2015-02-15
53°F2017-02-24
-7°F2014-02-12
March
81°F2012-03-23
14°F1993-03-14
59°F1998-03-31
-1°F1993-03-15
April
84°F1990-04-27
32°F2007-04-07
63°F2002-04-19
13°F1982-04-08
May
94°F2006-05-30
41°F2020-05-09
69°F1991-05-31
23°F2020-05-09
June
101°F2025-06-24
57°F1998-06-05
74°F1998-06-26
36°F1990-06-05
July
103°F1988-07-16
67°F1990-07-13
76°F2010-07-24
46°F1983-07-07
August
99°F1988-08-17
64°F1986-08-28
74°F1995-08-16
38°F1982-08-29
September
96°F2011-09-03
53°F1984-09-27
72°F2016-09-08
33°F1989-09-27
October
91°F2019-10-01
36°F2002-10-30
68°F2017-10-08
23°F1988-10-31
November
79°F2024-11-05
19°F2014-11-18
59°F2022-11-06
10°F1997-11-17
December
69°F1998-12-06
-1°F1983-12-25
55°F1982-12-04
-10°F1983-12-25

Records by season

The warmest (▲) and coldest (▼) both the daytime high and the overnight low have reached in each meteorological season (Northern Hemisphere, each a three-month span).

SeasonDaytime highOvernight low
Winter (Dec–Feb)
72°F2017-02-24
-8°F1994-01-19
55°F1982-12-04
-26°F1994-01-19
Spring (Mar–May)
94°F2006-05-30
14°F1993-03-14
69°F1991-05-31
-1°F1993-03-15
Summer (Jun–Aug)
103°F1988-07-16
57°F1998-06-05
76°F2010-07-24
36°F1990-06-05
Autumn (Sep–Nov)
96°F2011-09-03
19°F2014-11-18
72°F2016-09-08
10°F1997-11-17

All-time records

The most extreme value Pittsburgh has recorded for each metric across its entire history.

High

Highest 103°F 1988-07-16
Lowest -8°F 1994-01-19

Low

Highest 76°F 2010-07-24
Lowest -26°F 1994-01-19

Feels-like

Highest 143°F 1995-07-15
Lowest -47°F 1994-01-19

Humidity

Highest 22.6 g/m³ 1995-07-15
Lowest 0.6 g/m³ 1994-01-19

Wind

Highest 22 mph 2009-02-12
Lowest 2 mph 2026-06-28

Precip

Wettest 4.07 in 2004-09-17
Driest 16-day dry spell 1999-11-04

For rainfall, the “driest” figure is the longest run of consecutive days without measurable rain, dated to when that dry spell began.

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