Weather on November 18
Portland, OR
55 Years of Data
About This Date
November 18th in Portland, OR typically brings cool fall weather, with average highs around 50°F and lows near 40°F. Over 55 years of records, the warmest November 18th was in 2003 (55°F average), while the coldest was 1985 (33°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 55% of November 18th dates historically, with the wettest November 18th recording 2.74" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for November 18th in Portland, OR? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 49° | 39° | 44° | — | — |
| 2024 | 44° | 38° | 41° | 1.68" | — |
| 2023 | 50° | 43° | 46° | 0.84" | — |
| 2022 | 47° | 37° | 42° | — | — |
| 2021 | 50° | 43° | 46° | 0.84" | — |
| 2020 | 49° | 44° | 46° | 2.44" | — |
| 2019 | 57° | 50° | 54° | 0.18" | — |
| 2018 | 54° | 43° | 48° | — | — |
| 2017 | 52° | 38° | 45° | — | — |
| 2016 | 50° | 40° | 45° | — | — |
| 2015 | 51° | 41° | 46° | 0.53" | — |
| 2014 | 43° | 34° | 38° | — | — |
| 2013 | 53° | 50° | 52° | 1.12" | — |
| 2012 | 52° | 43° | 47° | 0.86" | — |
| 2011 | 45° | 35° | 40° | 0.99" | — |
| 2010 | 47° | 38° | 42° | 2.21" | — |
| 2009 | 50° | 41° | 46° | 0.18" | — |
| 2008 | 52° | 42° | 47° | — | — |
| 2007 | 46° | 41° | 44° | 2.11" | — |
| 2006 | 52° | 38° | 45° | — | — |
| 2005 | 48° | 40° | 44° | — | — |
| 2004 | 54° | 44° | 49° | 0.81" | — |
| 2003warmest | 59° | 51° | 55° | 0.25" | — |
| 2002 | 52° | 44° | 48° | 0.81" | — |
| 2001 | 57° | 40° | 48° | — | — |
| 2000 | 46° | 28° | 37° | — | — |
| 1999 | 53° | 39° | 46° | — | — |
| 1998 | 55° | 45° | 50° | — | — |
| 1997 | 53° | 42° | 48° | 0.3" | — |
| 1996 | 43° | 32° | 37° | 1.85" | — |
| 1995 | 59° | 47° | 53° | 0.41" | — |
| 1994 | 36° | 30° | 33° | — | — |
| 1993 | 47° | 37° | 42° | 0.05" | — |
| 1992 | 53° | 44° | 49° | — | — |
| 1991 | 54° | 45° | 49° | 0.43" | — |
| 1990 | 46° | 37° | 42° | 0.03" | — |
| 1989 | 57° | 43° | 50° | — | — |
| 1988 | 48° | 40° | 44° | — | — |
| 1987 | 55° | 40° | 47° | — | — |
| 1986 | 55° | 46° | 51° | 1.07" | — |
| 1985coldest | 42° | 25° | 33° | — | — |
| 1984 | 54° | 44° | 49° | 0.18" | — |
| 1983 | 52° | 44° | 48° | 0.15" | — |
| 1982 | 54° | 36° | 45° | 1.02" | — |
| 1981 | 55° | 43° | 49° | — | — |
| 1980 | 57° | 49° | 53° | 0.03" | — |
| 1979 | 46° | 40° | 43° | — | — |
| 1978 | 47° | 39° | 43° | 1.12" | — |
| 1977 | 40° | 32° | 36° | 0.53" | — |
| 1976 | 49° | 39° | 44° | — | — |
| 1975 | 47° | 32° | 39° | — | — |
| 1974 | 50° | 42° | 46° | 2.74" | — |
| 1973 | 45° | 34° | 39° | — | — |
| 1972 | 51° | 45° | 48° | 0.66" | — |
| 1971 | 48° | 38° | 43° | — | — |