Weather on April 21
Portland, OR
55 Years of Data
Avg High
62°F
Avg Low
45°F
Warmest
2009
67°F avg
Coldest
2008
41°F avg
About This Date
April 21st 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 21st was in 2009 (67°F average), while the coldest was 2008 (41°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 49% of April 21st dates historically, with the wettest April 21st recording 2.95" of rain. The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
Planning for April 21st in Portland, OR? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 57° | 44° | 51° | — | — |
| 2024 | 60° | 40° | 50° | — | — |
| 2023 | 56° | 44° | 50° | — | — |
| 2022 | 56° | 45° | 50° | 0.43" | — |
| 2021 | 76° | 49° | 62° | — | — |
| 2020 | 60° | 48° | 54° | — | — |
| 2019 | 61° | 44° | 52° | — | — |
| 2018 | 59° | 47° | 53° | 0.03" | — |
| 2017 | 70° | 41° | 55° | — | — |
| 2016 | 74° | 49° | 61° | 0.58" | — |
| 2015 | 64° | 48° | 56° | — | — |
| 2014 | 65° | 48° | 56° | 0.51" | — |
| 2013 | 53° | 46° | 50° | — | — |
| 2012 | 75° | 44° | 60° | — | — |
| 2011 | 53° | 40° | 46° | 0.36" | — |
| 2010 | 57° | 44° | 51° | 0.05" | — |
| 2009warmest | 82° | 52° | 67° | — | — |
| 2008coldest | 48° | 34° | 41° | 0.64" | — |
| 2007 | 52° | 46° | 49° | 0.81" | — |
| 2006 | 59° | 45° | 52° | 0.2" | — |
| 2005 | 68° | 45° | 56° | — | — |
| 2004 | 60° | 44° | 52° | 0.69" | — |
| 2003 | 52° | 47° | 49° | 0.56" | — |
| 2002 | 56° | 44° | 50° | — | — |
| 2001 | 65° | 40° | 52° | — | — |
| 2000 | 65° | 45° | 55° | 0.13" | — |
| 1999 | 53° | 42° | 48° | 0.2" | — |
| 1998 | 73° | 47° | 60° | — | — |
| 1997 | 63° | 42° | 52° | 0.03" | — |
| 1996 | 51° | 41° | 46° | 0.36" | — |
| 1995 | 58° | 41° | 49° | — | — |
| 1994 | 65° | 51° | 58° | 0.05" | — |
| 1993 | 63° | 49° | 56° | 1.14" | — |
| 1992 | 55° | 44° | 50° | 0.51" | — |
| 1991 | 60° | 51° | 56° | — | — |
| 1990 | 63° | 45° | 54° | — | — |
| 1989 | 60° | 46° | 53° | 0.1" | — |
| 1988 | 52° | 48° | 50° | 2.95" | — |
| 1987 | 70° | 48° | 59° | — | — |
| 1986 | 75° | 53° | 64° | — | — |
| 1985 | 48° | 38° | 43° | 0.61" | — |
| 1984 | 58° | 46° | 52° | 0.08" | — |
| 1983 | 64° | 49° | 56° | — | — |
| 1982 | 78° | 53° | 66° | — | — |
| 1981 | 57° | 46° | 52° | 0.3" | — |
| 1980 | 62° | 48° | 55° | 0.03" | — |
| 1979 | 74° | 47° | 60° | — | — |
| 1978 | 55° | 42° | 49° | 0.94" | — |
| 1977 | 58° | 50° | 54° | 0.1" | — |
| 1976 | 61° | 36° | 48° | — | — |
| 1975 | 67° | 40° | 53° | — | — |
| 1974 | 69° | 45° | 57° | — | — |
| 1973 | 68° | 41° | 55° | — | — |
| 1972 | 54° | 39° | 46° | 0.03" | — |
| 1971 | 53° | 39° | 46° | — | — |
55 years of data from PORTLAND KGW-TV