Weather on May 25
Portland, OR
55 Years of Data
Avg High
69°F
Avg Low
50°F
Warmest
1986
73°F avg
Coldest
1973
50°F avg
About This Date
May 25th in Portland, OR typically brings mild spring weather, with average highs around 69°F and lows near 50°F. Over 55 years of records, the warmest May 25th was in 1986 (73°F average), while the coldest was 1973 (50°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 44% of May 25th dates historically, with the wettest May 25th recording 1.7" of rain. The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
Planning for May 25th in Portland, OR? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 66° | 50° | 58° | — | — |
| 2024 | 60° | 49° | 54° | — | — |
| 2023 | 80° | 54° | 67° | — | — |
| 2022 | 73° | 53° | 63° | 0.15" | — |
| 2021 | 60° | 53° | 57° | 1.7" | — |
| 2020 | 67° | 54° | 60° | 0.1" | — |
| 2019 | 55° | 48° | 52° | 0.79" | — |
| 2018 | 67° | 56° | 61° | — | — |
| 2017 | 73° | 48° | 61° | — | — |
| 2016 | 65° | 53° | 59° | — | — |
| 2015 | 66° | 51° | 59° | — | — |
| 2014 | 70° | 51° | 60° | 0.05" | — |
| 2013 | 68° | 48° | 58° | — | — |
| 2012 | 72° | 48° | 60° | 0.28" | — |
| 2011 | 58° | 48° | 53° | 0.66" | — |
| 2010 | 64° | 44° | 54° | 0.25" | — |
| 2009 | 75° | 45° | 60° | — | — |
| 2008 | 61° | 51° | 56° | — | — |
| 2007 | 81° | 54° | 67° | — | — |
| 2006 | 62° | 50° | 56° | 0.41" | — |
| 2005 | 84° | 52° | 68° | — | — |
| 2004 | 81° | 54° | 67° | — | — |
| 2003 | 65° | 53° | 59° | — | — |
| 2002 | 71° | 55° | 63° | 0.1" | — |
| 2001 | 82° | 53° | 68° | — | — |
| 2000 | 64° | 46° | 55° | — | — |
| 1999 | 68° | 53° | 61° | — | — |
| 1998 | 58° | 49° | 53° | 0.13" | — |
| 1997 | 60° | 46° | 53° | — | — |
| 1996 | 78° | 57° | 68° | — | — |
| 1995 | 83° | 55° | 69° | — | — |
| 1994 | 73° | 53° | 63° | — | — |
| 1993 | 63° | 56° | 59° | 0.79" | — |
| 1992 | 75° | 62° | 69° | 0.1" | — |
| 1991 | 58° | 46° | 52° | 0.76" | — |
| 1990 | 71° | 43° | 57° | — | — |
| 1989 | 62° | 46° | 54° | 1.02" | — |
| 1988 | 70° | 47° | 58° | — | — |
| 1987 | 57° | 47° | 52° | — | — |
| 1986warmest | 86° | 60° | 73° | — | — |
| 1985 | 66° | 54° | 60° | 0.03" | — |
| 1984 | 58° | 44° | 51° | 1.37" | — |
| 1983 | 81° | 56° | 68° | — | — |
| 1982 | 73° | 50° | 62° | — | — |
| 1981 | 68° | 53° | 61° | 0.41" | — |
| 1980 | 56° | 48° | 52° | 0.1" | — |
| 1979 | 89° | 54° | 71° | — | — |
| 1978 | 62° | 46° | 54° | 0.36" | — |
| 1977 | 67° | 43° | 55° | 0.36" | — |
| 1976 | 66° | 42° | 54° | — | — |
| 1975 | 76° | 40° | 58° | — | — |
| 1974 | 74° | 56° | 65° | 0.05" | — |
| 1973coldest | 56° | 44° | 50° | 0.1" | — |
| 1972 | 74° | 44° | 59° | — | — |
| 1971 | 71° | 56° | 63° | 0.2" | — |
55 years of data from PORTLAND KGW-TV