Weather on May 27
Portland, OR
55 Years of Data
Avg High
70°F
Avg Low
51°F
Warmest
2005
79°F avg
Coldest
2011
50°F avg
About This Date
May 27th in Portland, OR typically brings pleasant spring weather, with average highs around 70°F and lows near 51°F. Over 55 years of records, the warmest May 27th was in 2005 (79°F average), while the coldest was 2011 (50°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 36% of May 27th dates historically, with the wettest May 27th recording 1.65" 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 27th in Portland, OR? Great weather for outdoor activities. 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° | 50° | 65° | — | — |
| 2024 | 73° | 49° | 61° | — | — |
| 2023 | 73° | 56° | 64° | — | — |
| 2022 | 61° | 52° | 56° | 0.56" | — |
| 2021 | 63° | 50° | 56° | 0.43" | — |
| 2020 | 82° | 53° | 68° | — | — |
| 2019 | 72° | 48° | 60° | — | — |
| 2018 | 77° | 51° | 64° | — | — |
| 2017 | 89° | 57° | 73° | — | — |
| 2016 | 62° | 49° | 55° | 0.18" | — |
| 2015 | 77° | 53° | 65° | — | — |
| 2014 | 66° | 51° | 59° | — | — |
| 2013 | 65° | 51° | 58° | 1.65" | — |
| 2012 | 65° | 49° | 57° | — | — |
| 2011coldest | 56° | 45° | 50° | 1.52" | — |
| 2010 | 68° | 45° | 56° | 0.1" | — |
| 2009 | 77° | 50° | 64° | — | — |
| 2008 | 70° | 54° | 62° | — | — |
| 2007 | 61° | 51° | 56° | — | — |
| 2006 | 55° | 48° | 52° | 0.53" | — |
| 2005warmest | 97° | 61° | 79° | — | — |
| 2004 | 61° | 53° | 57° | 1.27" | — |
| 2003 | 88° | 52° | 70° | — | — |
| 2002 | 71° | 57° | 64° | 0.58" | — |
| 2001 | 69° | 52° | 60° | — | — |
| 2000 | 67° | 55° | 61° | 0.13" | — |
| 1999 | 70° | — | — | — | — |
| 1998 | 62° | 47° | 54° | — | — |
| 1997 | 74° | 58° | 66° | 0.08" | — |
| 1996 | 63° | 46° | 54° | — | — |
| 1995 | 75° | 53° | 64° | — | — |
| 1994 | 63° | 44° | 53° | — | — |
| 1993 | 71° | 57° | 64° | 1.09" | — |
| 1992 | 71° | 50° | 61° | — | — |
| 1991 | 62° | 46° | 54° | — | — |
| 1990 | 73° | 57° | 65° | 1.5" | — |
| 1989 | 56° | 47° | 51° | 1.12" | — |
| 1988 | 67° | 49° | 58° | 0.18" | — |
| 1987 | 59° | 51° | 55° | — | — |
| 1986 | 77° | 55° | 66° | — | — |
| 1985 | 63° | 51° | 57° | — | — |
| 1984 | 77° | 45° | 61° | — | — |
| 1983 | 90° | 57° | 73° | — | — |
| 1982 | 64° | 48° | 56° | — | — |
| 1981 | 75° | 48° | 62° | — | — |
| 1980 | 63° | 48° | 55° | 0.23" | — |
| 1979 | 62° | 48° | 55° | 0.13" | — |
| 1978 | 64° | 52° | 58° | 0.48" | — |
| 1977 | 58° | 44° | 51° | 0.51" | — |
| 1976 | 72° | 49° | 60° | 0.33" | — |
| 1975 | 74° | 49° | 61° | — | — |
| 1974 | 68° | 47° | 57° | — | — |
| 1973 | 61° | 47° | 54° | — | — |
| 1972 | 90° | 61° | 75° | — | — |
| 1971 | 72° | 50° | 61° | — | — |
55 years of data from PORTLAND KGW-TV