Weather on May 18
Pittsburgh, PA
55 Years of Data
Avg High
72°F
Avg Low
52°F
Warmest
2017
76°F avg
Coldest
2002
44°F avg
About This Date
May 18th in Pittsburgh, PA typically brings pleasant spring weather, with average highs around 72°F and lows near 52°F. Over 43 years of records, the warmest May 18th was in 2017 (76°F average), while the coldest was 2002 (44°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 60% of May 18th dates historically, with the wettest May 18th recording 7.09" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for May 18th in Pittsburgh, PA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 68° | 53° | 61° | — | — |
| 2024 | 80° | 63° | 71° | 0.61" | — |
| 2023 | 74° | 40° | 57° | — | — |
| 2022 | 62° | 46° | 54° | 0.53" | — |
| 2021 | 80° | 51° | 66° | — | — |
| 2020 | 79° | 60° | 69° | 0.03" | — |
| 2019 | 82° | 57° | 70° | 0.1" | — |
| 2018 | 72° | 60° | 66° | 0.05" | — |
| 2017warmest | 85° | 68° | 76° | — | — |
| 2016 | 56° | 48° | 52° | 0.79" | — |
| 2015 | 83° | 65° | 74° | 2.51" | — |
| 2014 | 63° | 42° | 52° | — | — |
| 2013 | 82° | 57° | 70° | — | — |
| 2012 | 78° | 48° | 63° | — | — |
| 2011 | 65° | 52° | 58° | 1.65" | — |
| 2010 | 61° | 50° | 55° | 0.15" | — |
| 2009 | 62° | 37° | 50° | — | — |
| 2008 | 62° | 44° | 53° | 1.04" | — |
| 2007 | 62° | 44° | 53° | 0.33" | — |
| 2006 | 61° | 46° | 53° | 0.94" | — |
| 2005 | 70° | 45° | 57° | — | — |
| 2004 | 75° | 61° | 68° | 3.25" | — |
| 2003 | 63° | 48° | 55° | 0.08" | — |
| 2002coldest | 50° | 38° | 44° | 1.22" | — |
| 2001 | 74° | 59° | 66° | 0.48" | — |
| 2000 | 84° | 65° | 74° | — | — |
| 1999 | 87° | 57° | 72° | 7.09" | — |
| 1998 | 90° | 57° | 73° | — | — |
| 1997 | 85° | 50° | 67° | 2.44" | — |
| 1996 | 82° | 60° | 71° | 0.71" | — |
| 1995 | 69° | 50° | 60° | 0.38" | — |
| 1994 | 52° | 45° | 48° | 0.03" | — |
| 1993 | 64° | 52° | 58° | 0.41" | — |
| 1992 | 80° | 63° | 71° | — | — |
| 1979 | 77° | 45° | 61° | — | — |
| 1978 | 71° | 57° | 64° | 0.18" | — |
| 1977 | 85° | 64° | 74° | 3.18" | — |
| 1976 | 58° | 41° | 49° | 0.43" | — |
| 1975 | 77° | 61° | 69° | — | — |
| 1974 | 78° | 60° | 69° | 0.53" | — |
| 1973 | 56° | 39° | 47° | — | — |
| 1972 | 76° | 50° | 63° | — | — |
| 1971 | 88° | 52° | 70° | — | — |
43 years of data from PITTSBURGH WSO CITY