Weather on April 20
Portland, OR
55 Years of Data
Avg High
62°F
Avg Low
45°F
Warmest
2016
67°F avg
Coldest
2023
41°F avg
About This Date
April 20th in Portland, OR typically brings mild spring weather, with average highs around 62°F and lows near 45°F. Over 55 years of records, the warmest April 20th was in 2016 (67°F average), while the coldest was 2023 (41°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 51% of April 20th dates historically, with the wettest April 20th recording 1.12" of rain. The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
Planning for April 20th 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 | 57° | 45° | 51° | 0.05" | — |
| 2024 | 69° | 49° | 59° | — | — |
| 2023coldest | 47° | 36° | 41° | 1.02" | — |
| 2022 | 53° | 39° | 46° | 0.33" | — |
| 2021 | 73° | 49° | 61° | — | — |
| 2020 | 69° | 44° | 57° | — | — |
| 2019 | 64° | 48° | 56° | 0.03" | — |
| 2018 | 67° | 41° | 54° | — | — |
| 2017 | 59° | 45° | 52° | 0.81" | — |
| 2016warmest | 79° | 55° | 67° | — | — |
| 2015 | 79° | 52° | 65° | — | — |
| 2014 | 63° | 41° | 52° | — | — |
| 2013 | 59° | 48° | 54° | — | — |
| 2012 | 58° | 50° | 54° | 0.13" | — |
| 2011 | 58° | 41° | 49° | 0.1" | — |
| 2010 | 58° | 48° | 53° | 0.05" | — |
| 2009 | 82° | 43° | 62° | — | — |
| 2008 | 50° | 35° | 43° | 0.03" | — |
| 2007 | 63° | 37° | 50° | — | — |
| 2006 | 69° | 45° | 57° | — | — |
| 2005 | 68° | 43° | 55° | — | — |
| 2004 | 51° | 44° | 48° | 0.79" | — |
| 2003 | 62° | 49° | 55° | — | — |
| 2002 | 59° | 43° | 51° | — | — |
| 2001 | 57° | 44° | 51° | 0.51" | — |
| 2000 | 70° | 45° | 57° | — | — |
| 1999 | 57° | 41° | 49° | — | — |
| 1998 | 73° | 41° | 57° | — | — |
| 1997 | 61° | 47° | 54° | 0.79" | — |
| 1996 | 54° | 42° | 48° | 0.28" | — |
| 1995 | 52° | 41° | 46° | 0.74" | — |
| 1994 | 72° | 48° | 60° | — | — |
| 1993 | 69° | 52° | 60° | 0.28" | — |
| 1992 | 64° | 50° | 57° | 0.13" | — |
| 1991 | 73° | 52° | 62° | — | — |
| 1990 | 60° | 51° | 56° | 0.74" | — |
| 1989 | 62° | 50° | 56° | 0.13" | — |
| 1988 | 57° | 50° | 54° | 0.64" | — |
| 1987 | 66° | 38° | 52° | — | — |
| 1986 | 78° | 46° | 62° | — | — |
| 1985 | 48° | 37° | 43° | 0.18" | — |
| 1984 | 61° | 44° | 52° | — | — |
| 1983 | 65° | 52° | 58° | 1.02" | — |
| 1982 | 67° | 44° | 55° | — | — |
| 1981 | 58° | 47° | 52° | 0.41" | — |
| 1980 | 55° | 47° | 51° | 0.99" | — |
| 1979 | 67° | 40° | 53° | — | — |
| 1978 | 56° | 42° | 49° | 0.2" | — |
| 1977 | 68° | 41° | 55° | — | — |
| 1976 | 55° | 43° | 49° | 0.13" | — |
| 1975 | 60° | 34° | 47° | — | — |
| 1974 | 64° | 46° | 55° | 0.08" | — |
| 1973 | 61° | 41° | 51° | — | — |
| 1972 | 54° | 45° | 49° | 1.12" | — |
| 1971 | 52° | 41° | 46° | 0.2" | — |
55 years of data from PORTLAND KGW-TV