Weather on May 16
Portland, OR
55 Years of Data
Avg High
68°F
Avg Low
49°F
Warmest
2008
78°F avg
Coldest
1998
47°F avg
About This Date
May 16th in Portland, OR typically brings mild spring weather, with average highs around 68°F and lows near 49°F. Over 55 years of records, the warmest May 16th was in 2008 (78°F average), while the coldest was 1998 (47°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 29% of May 16th dates historically, with the wettest May 16th recording 2.31" of rain. The last decade has been 4.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.0°F warmer on this date compared to 20-30 years ago.
Planning for May 16th in Portland, OR? Great weather for outdoor activities.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 64° | 48° | 56° | — | — |
| 2024 | 71° | 52° | 61° | — | — |
| 2023 | 83° | 58° | 70° | — | — |
| 2022 | 63° | 53° | 58° | — | — |
| 2021 | 80° | 51° | 66° | — | — |
| 2020 | 71° | 54° | 62° | 0.28" | — |
| 2019 | 59° | 54° | 56° | 0.05" | — |
| 2018 | 63° | 53° | 58° | — | — |
| 2017 | 57° | 46° | 52° | 0.94" | — |
| 2016 | 60° | 51° | 56° | 0.08" | — |
| 2015 | 57° | 52° | 54° | — | — |
| 2014 | 70° | 52° | 61° | — | — |
| 2013 | 63° | 52° | 57° | 0.25" | — |
| 2012 | 72° | 49° | 60° | — | — |
| 2011 | 59° | 46° | 53° | — | — |
| 2010 | 75° | 53° | 64° | — | — |
| 2009 | 85° | 48° | 66° | — | — |
| 2008warmest | 96° | 60° | 78° | — | — |
| 2007 | 70° | 56° | 63° | — | — |
| 2006 | 86° | 55° | 71° | — | — |
| 2005 | 62° | 51° | 57° | 1.04" | — |
| 2004 | 67° | 52° | 59° | — | — |
| 2003 | 51° | 42° | 47° | 0.84" | — |
| 2002 | 66° | 40° | 53° | — | — |
| 2001 | 63° | 47° | 55° | — | — |
| 2000 | 69° | 45° | 57° | — | — |
| 1999 | 63° | 45° | 54° | — | — |
| 1998coldest | 50° | 45° | 47° | 1.32" | — |
| 1997 | 81° | 58° | 69° | — | — |
| 1996 | 66° | 49° | 57° | — | — |
| 1995 | 63° | 53° | 58° | — | — |
| 1994 | 59° | 50° | 55° | 0.89" | — |
| 1993 | 79° | 51° | 65° | — | — |
| 1992 | 84° | 50° | 67° | — | — |
| 1991 | 72° | 50° | 61° | — | — |
| 1990 | 68° | 45° | 56° | — | — |
| 1989 | 69° | 51° | 60° | — | — |
| 1988 | 60° | 51° | 56° | 1.3" | — |
| 1987 | 65° | 43° | 54° | — | — |
| 1986 | 70° | 41° | 55° | — | — |
| 1985 | 87° | 56° | 71° | — | — |
| 1984 | 63° | 45° | 54° | 0.03" | — |
| 1983 | 62° | 46° | 54° | — | — |
| 1982 | 74° | 52° | 63° | — | — |
| 1981 | 62° | 45° | 53° | 0.05" | — |
| 1980 | 70° | 41° | 55° | — | — |
| 1979 | 68° | 51° | 60° | — | — |
| 1978 | 63° | 45° | 54° | — | — |
| 1977 | 55° | 44° | 50° | 1.37" | — |
| 1976 | 72° | 50° | 61° | — | — |
| 1975 | 72° | 47° | 59° | — | — |
| 1974 | 55° | 42° | 49° | 0.71" | — |
| 1973 | 85° | 56° | 70° | — | — |
| 1972 | 63° | 52° | 57° | 2.31" | — |
| 1971 | 56° | 44° | 50° | 0.33" | — |
55 years of data from PORTLAND KGW-TV