Thermograph

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

Pittsburgh, Pennsylvania, United States climate

Average temperatures, precipitation and all-time records for Pittsburgh, Pennsylvania, United States, with every day graded against ~45 years of local climate history (1981–2026). Its warmest month is July, averaging a high of 85°F, and its coldest is January, with an average low of 19°F.

Pittsburgh is a city in Allegheny County, Pennsylvania, United States, and its county seat. via Wikipedia

How today compares

Latest recorded day: 2026-07-21. Each reading placed on Pittsburgh, Pennsylvania, United States's own ±7-day seasonal distribution.

High 82°F Below Normal · 26th pct
Low 67°F Above Normal · 74th pct
Feels-like 84°F Low · 21st pct
Humidity 17.7 g/m³ High · 80th pct
Wind 13 mph Near Record · 99th pct
Precip 0.76 in Severe · 98th pct

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Pittsburgh average temperatures by month

Typical daily high and low, and average precipitation, for each month in Pittsburgh, Pennsylvania, United States, based on 1981–2026 records. The wettest month is January (0.10 in on an average day).

MonthAvg highAvg lowAvg precip
January 33°F 19°F 0.10 in
February 38°F 21°F 0.10 in
March 48°F 28°F 0.10 in
April 61°F 38°F 0.10 in
May 70°F 48°F 0.10 in
June 79°F 58°F 0.10 in
July 85°F 63°F 0.10 in
August 84°F 61°F 0.10 in
September 78°F 54°F 0.10 in
October 65°F 42°F 0.10 in
November 50°F 32°F 0.10 in
December 38°F 24°F 0.10 in

Each bar spans the 10th-percentile daily low to the 90th-percentile daily high (the range most days fall within), coloured cold → hot on a shared -10°F to 115°F scale, so the whole year's rhythm reads at a glance.

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Record extremes

  • Hottest day on record: 103°F on 1988-07-16
  • Coldest day on record: -26°F on 1994-01-19

All Pittsburgh weather records →

Percentiles compare each day to Pittsburgh, Pennsylvania, United States's own history, so grades are relative to this location: a “Near Record” day here isn't the same temperature as elsewhere. How the grades work →