Weather on May 8
Portland, OR
55 Years of Data
Avg High
66°F
Avg Low
47°F
Warmest
1987
79°F avg
Coldest
1999
45°F avg
About This Date
May 8th in Portland, OR typically brings mild spring weather, with average highs around 66°F and lows near 47°F. Over 55 years of records, the warmest May 8th was in 1987 (79°F average), while the coldest was 1999 (45°F) — a 34°F range across recorded history. Rain or other precipitation has occurred on about 45% of May 8th dates historically, with the wettest May 8th recording 1.57" of rain. The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
Planning for May 8th in Portland, OR? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 68° | 43° | 55° | — | — |
| 2024 | 66° | 39° | 53° | — | — |
| 2023 | 65° | 46° | 55° | 1.57" | — |
| 2022 | 49° | 41° | 45° | 0.48" | — |
| 2021 | 61° | 49° | 55° | — | — |
| 2020 | 80° | 59° | 70° | — | — |
| 2019 | 75° | 49° | 62° | — | — |
| 2018 | 78° | 53° | 66° | 0.05" | — |
| 2017 | 70° | 46° | 58° | — | — |
| 2016 | 64° | 51° | 58° | — | — |
| 2015 | 79° | 49° | 64° | — | — |
| 2014 | 58° | 49° | 53° | 1.19" | — |
| 2013 | 69° | 52° | 60° | — | — |
| 2012 | 72° | 50° | 61° | — | — |
| 2011 | 56° | 40° | 48° | 0.76" | — |
| 2010 | 69° | 46° | 58° | — | — |
| 2009 | 63° | 42° | 52° | — | — |
| 2008 | 53° | 44° | 49° | — | — |
| 2007 | 80° | 53° | 67° | 0.13" | — |
| 2006 | 58° | 38° | 48° | 0.05" | — |
| 2005 | 67° | 53° | 60° | 0.46" | — |
| 2004 | 65° | 48° | 56° | 0.18" | — |
| 2003 | 56° | 42° | 49° | 0.25" | — |
| 2002 | 62° | 38° | 50° | — | — |
| 2001 | 66° | 50° | 58° | — | — |
| 2000 | 63° | 51° | 57° | 0.48" | — |
| 1999coldest | 50° | 39° | 45° | 0.13" | — |
| 1998 | 58° | 49° | 53° | 0.3" | — |
| 1997 | 80° | 53° | 67° | — | — |
| 1996 | 57° | 39° | 48° | — | — |
| 1995 | 70° | 47° | 58° | — | — |
| 1994 | 75° | 52° | 63° | — | — |
| 1993 | 60° | 48° | 54° | 0.03" | — |
| 1992 | 57° | 46° | 52° | 0.08" | — |
| 1991 | 54° | 44° | 49° | 0.51" | — |
| 1990 | 68° | 38° | 53° | — | — |
| 1989 | 74° | 53° | 63° | — | — |
| 1988 | 61° | 46° | 53° | — | — |
| 1987warmest | 94° | 64° | 79° | — | — |
| 1986 | 64° | 43° | 53° | 0.81" | — |
| 1985 | 58° | 41° | 49° | — | — |
| 1984 | 67° | 50° | 58° | 0.38" | — |
| 1983 | 52° | 42° | 47° | 1.47" | — |
| 1982 | 58° | 43° | 50° | 0.18" | — |
| 1981 | 67° | 43° | 55° | — | — |
| 1980 | 60° | 49° | 54° | 0.89" | — |
| 1979 | 59° | 46° | 53° | 0.1" | — |
| 1978 | 77° | 44° | 61° | — | — |
| 1977 | 67° | 47° | 57° | 0.43" | — |
| 1976 | 81° | 56° | 68° | — | — |
| 1975 | 77° | 46° | 62° | — | — |
| 1974 | 67° | 50° | 58° | — | — |
| 1973 | 61° | 48° | 54° | 0.3" | — |
| 1972 | 63° | 48° | 55° | 0.05" | — |
| 1971 | 68° | 46° | 57° | — | — |
55 years of data from PORTLAND KGW-TV