Weather on May 9
Portland, OR
55 Years of Data
Avg High
67°F
Avg Low
47°F
Warmest
1987
74°F avg
Coldest
1999
45°F avg
About This Date
May 9th in Portland, OR typically brings mild spring weather, with average highs around 67°F and lows near 47°F. Over 55 years of records, the warmest May 9th was in 1987 (74°F average), while the coldest was 1999 (45°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 36% of May 9th dates historically, with the wettest May 9th recording 2.03" of rain. The last decade has been 8.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 8.4°F warmer on this date compared to 20-30 years ago.
Planning for May 9th in Portland, OR? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 77° | 47° | 62° | — | — |
| 2024 | 81° | 49° | 65° | — | — |
| 2023 | 66° | 44° | 55° | — | — |
| 2022 | 53° | 39° | 46° | 0.03" | — |
| 2021 | 65° | 47° | 56° | — | — |
| 2020 | 86° | 62° | 74° | — | — |
| 2019 | 84° | 57° | 71° | — | — |
| 2018 | 67° | 55° | 61° | 0.18" | — |
| 2017 | 76° | 48° | 62° | — | — |
| 2016 | 68° | 50° | 59° | — | — |
| 2015 | 83° | 51° | 67° | — | — |
| 2014 | 57° | 47° | 52° | 0.71" | — |
| 2013 | 78° | 50° | 64° | — | — |
| 2012 | 58° | 42° | 50° | — | — |
| 2011 | 60° | 46° | 53° | 0.08" | — |
| 2010 | 72° | 44° | 58° | — | — |
| 2009 | 70° | 44° | 57° | — | — |
| 2008 | 63° | 43° | 53° | — | — |
| 2007 | 65° | 42° | 53° | — | — |
| 2006 | 67° | 34° | 50° | — | — |
| 2005 | 55° | 48° | 52° | 2.03" | — |
| 2004 | 68° | 47° | 57° | — | — |
| 2003 | 59° | 45° | 52° | — | — |
| 2002 | 54° | 42° | 48° | 0.05" | — |
| 2001 | 68° | 40° | 54° | — | — |
| 2000 | 56° | 47° | 51° | 0.46" | — |
| 1999coldest | 52° | 39° | 45° | 0.08" | — |
| 1998 | 59° | 46° | 53° | 0.08" | — |
| 1997 | 77° | 51° | 64° | — | — |
| 1996 | 61° | 41° | 51° | — | — |
| 1995 | 58° | 52° | 55° | 0.13" | — |
| 1994 | 76° | 50° | 63° | — | — |
| 1993 | 71° | 42° | 57° | — | — |
| 1992 | 60° | 49° | 54° | — | — |
| 1991 | 55° | 41° | 48° | 0.36" | — |
| 1990 | 76° | 43° | 59° | — | — |
| 1989 | 62° | 50° | 56° | 0.08" | — |
| 1988 | 64° | 44° | 54° | — | — |
| 1987warmest | 87° | 60° | 74° | — | — |
| 1986 | 64° | 43° | 53° | 1.14" | — |
| 1985 | 65° | 41° | 53° | — | — |
| 1984 | 60° | 46° | 53° | 0.46" | — |
| 1983 | 54° | 41° | 47° | 1.85" | — |
| 1982 | 57° | 45° | 51° | — | — |
| 1981 | 66° | 50° | 58° | — | — |
| 1980 | 59° | 48° | 54° | 0.33" | — |
| 1979 | 62° | 47° | 54° | 0.05" | — |
| 1978 | 61° | 51° | 56° | 0.1" | — |
| 1977 | 77° | 48° | 63° | — | — |
| 1976 | 86° | 51° | 69° | — | — |
| 1975 | 82° | 51° | 67° | — | — |
| 1974 | 58° | 47° | 52° | 0.43" | — |
| 1973 | 62° | 48° | 55° | 0.25" | — |
| 1972 | 64° | 49° | 56° | — | — |
| 1971 | 67° | 44° | 55° | — | — |
55 years of data from PORTLAND KGW-TV