Weather on August 20
Pittsburgh, PA
55 Years of Data
Avg High
81°F
Avg Low
62°F
Warmest
2005
81°F avg
Coldest
2000
62°F avg
About This Date
August 20th in Pittsburgh, PA typically brings warm summer weather, with average highs around 81°F and lows near 62°F. Over 38 years of records, the warmest August 20th was in 2005 (81°F average), while the coldest was 2000 (62°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 39% of August 20th dates historically, with the wettest August 20th recording 3.25" of rain. The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
Planning for August 20th in Pittsburgh, PA? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 80° | 68° | 74° | 0.86" | — |
| 2024 | 69° | 57° | 63° | — | — |
| 2023 | 83° | 57° | 70° | — | — |
| 2022 | 86° | 63° | 74° | 0.43" | — |
| 2021 | 84° | 68° | 76° | — | — |
| 2020 | 84° | 56° | 70° | — | — |
| 2019 | 87° | 69° | 78° | 0.1" | — |
| 2018 | 82° | 62° | 72° | — | — |
| 2017 | 82° | 58° | 70° | — | — |
| 2016 | 86° | 69° | 78° | 0.25" | — |
| 2015 | 81° | 65° | 73° | 0.15" | — |
| 2014 | 81° | 65° | 73° | 2.41" | — |
| 2013 | 81° | 58° | 69° | — | — |
| 2012 | 78° | 61° | 69° | 0.03" | — |
| 2011 | 83° | 58° | 70° | 0.03" | — |
| 2010 | 90° | 65° | 77° | — | — |
| 2009 | 85° | 68° | 76° | 0.25" | — |
| 2008 | 82° | 54° | 68° | — | — |
| 2007 | 68° | 59° | 64° | 3.25" | — |
| 2006 | 79° | 62° | 70° | — | — |
| 2005warmest | 92° | 70° | 81° | 2.51" | — |
| 2004 | 81° | 66° | 73° | 2.62" | — |
| 2003 | 87° | 63° | 75° | — | — |
| 2002 | 79° | 65° | 72° | — | — |
| 2001 | 71° | 61° | 66° | — | — |
| 2000coldest | 72° | 53° | 62° | — | — |
| 1999 | 79° | 61° | 70° | — | — |
| 1993 | 87° | 74° | 80° | — | — |
| 1992 | 77° | 55° | 66° | — | — |
| 1979 | 79° | 63° | 71° | 1.27" | — |
| 1978 | 74° | 60° | 67° | — | — |
| 1977 | 74° | 53° | 63° | — | — |
| 1976 | 82° | 57° | 70° | — | — |
| 1975 | 81° | 63° | 72° | — | — |
| 1974 | 87° | 61° | 74° | — | — |
| 1973 | 70° | 61° | 65° | 0.81" | — |
| 1972 | 84° | 62° | 73° | — | — |
| 1971 | 82° | 70° | 76° | 0.08" | — |
38 years of data from PITTSBURGH WSO CITY