Weather on May 21
Gresham, OR
55 Years of Data
Avg High
69°F
Avg Low
48°F
Warmest
2017
68°F avg
Coldest
2010
48°F avg
About This Date
May 21st in Gresham, OR typically brings mild spring weather, with average highs around 69°F and lows near 48°F. Over 54 years of records, the warmest May 21st was in 2017 (68°F average), while the coldest was 2010 (48°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 44% of May 21st dates historically, with the wettest May 21st recording 2.39" of rain. The last decade has been 1.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.5°F cooler on this date compared to 20-30 years ago.
Planning for May 21st in Gresham, OR? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 70° | 47° | 58° | — | — |
| 2024 | 56° | 46° | 51° | 2.03" | — |
| 2023 | 65° | 51° | 58° | — | — |
| 2022 | 73° | 40° | 56° | — | — |
| 2021 | 64° | 48° | 56° | — | — |
| 2020 | 60° | 49° | 54° | 1.22" | — |
| 2019 | 65° | 50° | 57° | 0.03" | — |
| 2018 | 74° | 48° | 61° | — | — |
| 2017warmest | 86° | 50° | 68° | — | — |
| 2016 | 58° | 53° | 55° | 0.64" | — |
| 2015 | 74° | 59° | 66° | 0.03" | — |
| 2014 | 74° | 50° | 62° | — | — |
| 2013 | 58° | 45° | 51° | 1.5" | — |
| 2012 | 62° | 53° | 58° | 1.22" | — |
| 2011 | 63° | 49° | 56° | 0.18" | — |
| 2010coldest | 53° | 42° | 48° | 1.37" | — |
| 2009 | 74° | 40° | 57° | — | — |
| 2008 | 58° | 48° | 53° | 0.28" | — |
| 2007 | 58° | 47° | 52° | 0.28" | — |
| 2006 | 73° | 52° | 62° | 0.25" | — |
| 2005 | 62° | 44° | 53° | 0.74" | — |
| 2004 | 62° | 53° | 58° | 0.08" | — |
| 2003 | 76° | 49° | 62° | — | — |
| 2002 | 65° | 49° | 57° | 0.15" | — |
| 2001 | 86° | 43° | 64° | — | — |
| 2000 | 79° | 50° | 64° | 0.1" | — |
| 1999 | 67° | 49° | 58° | — | — |
| 1998 | 65° | 50° | 57° | — | — |
| 1997 | 70° | 44° | 57° | — | — |
| 1996 | 70° | 48° | 59° | 0.38" | — |
| 1995 | 81° | 51° | 66° | — | — |
| 1994 | 65° | 54° | 59° | — | — |
| 1993 | 76° | 54° | 65° | 1.09" | — |
| 1992 | 68° | 38° | 53° | — | — |
| 1991 | 70° | 50° | 60° | — | — |
| 1990 | 65° | 48° | 56° | 0.13" | — |
| 1989 | 73° | 43° | 58° | — | — |
| 1988 | 80° | 45° | 62° | — | — |
| 1987 | 74° | 43° | 58° | — | — |
| 1986 | 60° | 45° | 52° | 0.3" | — |
| 1985 | 62° | 45° | 53° | 0.03" | — |
| 1984 | 62° | 45° | 53° | — | — |
| 1983 | 82° | 52° | 67° | — | — |
| 1982 | 79° | 48° | 63° | — | — |
| 1981 | 62° | 49° | 55° | 0.25" | — |
| 1980 | 79° | 55° | 67° | 0.33" | — |
| 1979 | 82° | 48° | 65° | — | — |
| 1977 | 68° | 55° | 62° | — | — |
| 1976 | 68° | 42° | 55° | — | — |
| 1975 | 69° | 38° | 53° | — | — |
| 1974 | 65° | 41° | 53° | — | — |
| 1973 | — | 39° | — | — | — |
| 1972 | 77° | 52° | 64° | 2.39" | — |
| 1971 | 60° | 39° | 50° | — | — |
54 years of data from PORTLAND TROUTDALE AP