Weather on May 15
Pittsburgh, PA
55 Years of Data
Avg High
72°F
Avg Low
51°F
Warmest
1998
76°F avg
Coldest
2016
44°F avg
About This Date
May 15th in Pittsburgh, PA typically brings pleasant spring weather, with average highs around 72°F and lows near 51°F. Over 43 years of records, the warmest May 15th was in 1998 (76°F average), while the coldest was 2016 (44°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 40% of May 15th dates historically, with the wettest May 15th recording 3.2" of rain. The last decade has been 4.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.6°F warmer on this date compared to 20-30 years ago.
Planning for May 15th in Pittsburgh, PA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 81° | 58° | 69° | — | — |
| 2024 | 77° | 61° | 69° | — | — |
| 2023 | 78° | 52° | 65° | — | — |
| 2022 | 82° | 60° | 71° | — | — |
| 2021 | 72° | 44° | 58° | — | — |
| 2020 | 80° | 59° | 70° | 0.25" | — |
| 2019 | 68° | 40° | 54° | — | — |
| 2018 | 83° | 60° | 71° | — | — |
| 2017 | 71° | 43° | 57° | — | — |
| 2016coldest | 50° | 38° | 44° | — | — |
| 2015 | 78° | 54° | 66° | — | — |
| 2014 | 70° | 51° | 60° | 3.2" | — |
| 2013 | 86° | 53° | 70° | — | — |
| 2012 | 76° | 57° | 66° | — | — |
| 2011 | 69° | 52° | 60° | 0.23" | — |
| 2010 | 71° | 53° | 62° | — | — |
| 2009 | 77° | 51° | 64° | 0.03" | — |
| 2008 | 67° | 54° | 60° | 0.05" | — |
| 2007 | 84° | 57° | 71° | — | — |
| 2006 | 53° | 47° | 50° | 1.22" | — |
| 2005 | 67° | 50° | 58° | 0.1" | — |
| 2004 | 71° | 53° | 62° | 0.33" | — |
| 2003 | 67° | 51° | 59° | 0.15" | — |
| 2002 | 66° | 43° | 54° | — | — |
| 2001 | 61° | 45° | 53° | 0.03" | — |
| 2000 | 63° | 45° | 54° | — | — |
| 1999 | 73° | 47° | 60° | — | — |
| 1998warmest | 90° | 63° | 76° | — | — |
| 1997 | 64° | 50° | 57° | — | — |
| 1996 | 59° | 40° | 49° | — | — |
| 1995 | 69° | 50° | 60° | 1.57" | — |
| 1994 | 70° | 56° | 63° | — | — |
| 1993 | 78° | 57° | 68° | 0.25" | — |
| 1992 | 71° | 54° | 62° | — | — |
| 1979 | 69° | 54° | 61° | 0.3" | — |
| 1978 | 54° | 47° | 50° | 0.79" | — |
| 1977 | 78° | 43° | 60° | — | — |
| 1976 | 83° | 64° | 73° | 0.25" | — |
| 1975 | 73° | 52° | 62° | 0.43" | — |
| 1974 | 76° | 58° | 67° | — | — |
| 1973 | 54° | 43° | 48° | — | — |
| 1972 | 72° | 58° | 65° | 0.05" | — |
| 1971 | 77° | 46° | 62° | — | — |
43 years of data from PITTSBURGH WSO CITY