Weather on October 15
Portland, OR
55 Years of Data
Avg High
65°F
Avg Low
48°F
Warmest
2022
69°F avg
Coldest
1984
45°F avg
About This Date
October 15th in Portland, OR typically brings mild fall weather, with average highs around 65°F and lows near 48°F. Over 55 years of records, the warmest October 15th was in 2022 (69°F average), while the coldest was 1984 (45°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 31% of October 15th dates historically, with the wettest October 15th recording 2.16" of rain. The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
Planning for October 15th in Portland, OR? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 66° | 42° | 54° | — | — |
| 2024 | 64° | 57° | 61° | 0.46" | — |
| 2023 | 65° | 53° | 59° | 0.15" | — |
| 2022warmest | 84° | 54° | 69° | — | — |
| 2021 | 64° | 46° | 55° | — | — |
| 2020 | 63° | 44° | 53° | — | — |
| 2019 | 61° | 45° | 53° | — | — |
| 2018 | 73° | 45° | 59° | — | — |
| 2017 | 66° | 42° | 54° | — | — |
| 2016 | 62° | 52° | 57° | 1.32" | — |
| 2015 | 77° | 51° | 64° | — | — |
| 2014 | 57° | 53° | 55° | 0.74" | — |
| 2013 | 68° | 45° | 56° | — | — |
| 2012 | 64° | 59° | 62° | 2.16" | — |
| 2011 | 60° | 49° | 54° | 0.05" | — |
| 2010 | 59° | 44° | 52° | — | — |
| 2009 | 64° | 52° | 58° | — | — |
| 2008 | 54° | 40° | 47° | — | — |
| 2007 | 65° | 47° | 56° | — | — |
| 2006 | 57° | 50° | 54° | 1.6" | — |
| 2005 | 62° | 53° | 58° | 0.25" | — |
| 2004 | 65° | 57° | 61° | — | — |
| 2003 | 56° | 47° | 51° | 0.48" | — |
| 2002 | 77° | 50° | 64° | — | — |
| 2001 | 70° | 48° | 59° | — | — |
| 2000 | 59° | 44° | 52° | — | — |
| 1999 | 58° | 38° | 48° | — | — |
| 1998 | 58° | 48° | 53° | 0.43" | — |
| 1997 | 73° | 51° | 62° | — | — |
| 1996 | 55° | 43° | 49° | 0.69" | — |
| 1995 | 62° | 46° | 54° | 0.03" | — |
| 1994 | 58° | 46° | 52° | — | — |
| 1993 | 61° | 51° | 56° | 0.86" | — |
| 1992 | 58° | 39° | 48° | — | — |
| 1991 | 81° | 50° | 65° | — | — |
| 1990 | 63° | 49° | 56° | 0.15" | — |
| 1989 | 65° | 43° | 54° | — | — |
| 1988 | 69° | 58° | 63° | 0.03" | — |
| 1987 | 65° | 42° | 53° | — | — |
| 1986 | 73° | 43° | 58° | — | — |
| 1985 | 65° | 47° | 56° | — | — |
| 1984coldest | 51° | 40° | 45° | — | — |
| 1983 | 61° | 42° | 51° | — | — |
| 1982 | 64° | 50° | 57° | — | — |
| 1981 | 67° | 41° | 54° | — | — |
| 1980 | 58° | 43° | 50° | — | — |
| 1979 | 69° | 56° | 62° | — | — |
| 1978 | 64° | 52° | 58° | — | — |
| 1977 | 71° | 51° | 61° | — | — |
| 1976 | 69° | 47° | 58° | — | — |
| 1975 | 63° | 51° | 57° | 0.36" | — |
| 1974 | 76° | 46° | 61° | — | — |
| 1973 | 64° | 46° | 55° | — | — |
| 1972 | 72° | 49° | 60° | — | — |
| 1971 | 59° | 44° | 52° | 0.84" | — |
55 years of data from PORTLAND KGW-TV