Thermograph

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

Pittsburgh weather records

Record high and low temperatures for Pittsburgh, by month, by season, and all-time, with the dates they occurred, across 1980–2026 of daily climate history. Its hottest day on record reached 101°F on 1988-07-16; its coldest fell to -20°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
70°F2005-01-13
-4°F1994-01-19
56°F2005-01-13
-20°F1994-01-19
February
76°F2018-02-20
9°F2015-02-16
59°F2018-02-20
-15°F2015-02-24
March
83°F1986-03-30
16°F1980-03-01
64°F2026-03-31
-9°F1996-03-10
April
88°F1990-04-27
31°F2007-04-07
72°F2025-04-19
9°F1982-04-08
May
91°F2011-05-31
43°F1989-05-07
72°F2018-05-31
29°F2020-05-09
June
97°F2012-06-29
55°F1992-06-21
77°F2022-06-16
38°F1990-06-05
July
101°F1988-07-16
63°F1990-07-13
77°F1989-07-11
46°F1988-07-01
August
96°F1988-08-17
62°F1986-08-28
76°F2016-08-12
38°F1982-08-29
September
94°F2011-09-03
47°F1984-09-28
73°F2011-09-03
35°F1983-09-24
October
89°F2019-10-01
36°F1993-10-31
69°F2019-10-02
23°F1988-10-31
November
80°F2024-11-05
26°F2005-11-25
66°F2024-11-06
9°F2019-11-13
December
74°F1982-12-03
0°F1983-12-25
61°F1982-12-04
-12°F1989-12-22

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)
76°F2018-02-20
-4°F1994-01-19
61°F1982-12-04
-20°F1994-01-19
Spring (Mar–May)
91°F2011-05-31
16°F1980-03-01
72°F2018-05-31
-9°F1996-03-10
Summer (Jun–Aug)
101°F1988-07-16
55°F1992-06-21
77°F2022-06-16
38°F1982-08-29
Autumn (Sep–Nov)
94°F2011-09-03
26°F2005-11-25
73°F2011-09-03
9°F2019-11-13

All-time records

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

High

Highest 101°F 1988-07-16
Lowest -4°F 1994-01-19

Low

Highest 77°F 2022-06-16
Lowest -20°F 1994-01-19

Feels-like

Highest 136°F 1995-07-15
Lowest -43°F 1994-01-19

Humidity

Highest 23.1 g/m³ 1995-07-15
Lowest 0.4 g/m³ 1982-01-17

Wind

Highest 25 mph 2026-03-13
Lowest 2 mph 2026-06-28

Gust

Highest 65 mph 1993-03-04
Lowest 6 mph 1994-12-21

Precip

Wettest 4.47 in 2018-09-09
Driest 10-day dry spell 1995-03-10

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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