Weather on May 18
Gresham, OR
55 Years of Data
Avg High
68°F
Avg Low
48°F
Warmest
1993
72°F avg
Coldest
1971
48°F avg
About This Date
May 18th in Gresham, OR typically brings mild spring weather, with average highs around 68°F and lows near 48°F. Over 52 years of records, the warmest May 18th was in 1993 (72°F average), while the coldest was 1971 (48°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 48% of May 18th dates historically, with the wettest May 18th recording 3.3" 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 May 18th in Gresham, OR? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 59° | 49° | 54° | 0.2" | — |
| 2024 | 62° | 44° | 53° | 0.15" | — |
| 2023 | 85° | 60° | 72° | — | — |
| 2022 | 63° | 48° | 55° | 0.51" | — |
| 2021 | 62° | 48° | 55° | 0.13" | — |
| 2020 | 62° | 52° | 57° | 2.87" | — |
| 2019 | 72° | 50° | 61° | 0.38" | — |
| 2018 | 70° | 55° | 62° | — | — |
| 2017 | 71° | 42° | 57° | — | — |
| 2016 | 75° | 51° | 63° | — | — |
| 2015 | 76° | 49° | 62° | — | — |
| 2014 | 64° | 52° | 58° | 3.3" | — |
| 2013 | 58° | 52° | 55° | 0.46" | — |
| 2012 | 65° | 47° | 56° | — | — |
| 2011 | 72° | 47° | 59° | — | — |
| 2010 | 64° | 51° | 58° | 0.46" | — |
| 2009 | 79° | 50° | 64° | 0.69" | — |
| 2008 | 84° | 54° | 69° | — | — |
| 2007 | 72° | 43° | 57° | 0.08" | — |
| 2006 | 84° | 52° | 68° | — | — |
| 2005 | 67° | 53° | 60° | 1.07" | — |
| 2004 | 65° | 54° | 59° | — | — |
| 2003 | 63° | 39° | 51° | — | — |
| 2002 | 68° | 49° | 58° | 0.15" | — |
| 2001 | 66° | 45° | 55° | — | — |
| 2000 | 74° | 48° | 61° | 0.3" | — |
| 1999 | 60° | 49° | 54° | 0.33" | — |
| 1998 | 61° | 47° | 54° | — | — |
| 1997 | 83° | 49° | 66° | — | — |
| 1996 | 63° | 44° | 53° | 0.79" | — |
| 1995 | 60° | 46° | 53° | — | — |
| 1994 | 63° | 51° | 57° | 0.18" | — |
| 1993warmest | 89° | 56° | 72° | — | — |
| 1992 | 87° | 53° | 70° | — | — |
| 1991 | 53° | 46° | 50° | 2.46" | — |
| 1990 | 60° | 47° | 53° | 0.2" | — |
| 1989 | 70° | 43° | 56° | 0.51" | — |
| 1988 | 66° | 45° | 55° | 0.25" | — |
| 1987 | 61° | 43° | 52° | — | — |
| 1985 | 79° | 49° | 64° | — | — |
| 1984 | 72° | 47° | 59° | — | — |
| 1983 | 67° | 47° | 57° | — | — |
| 1982 | 62° | 47° | 54° | 0.38" | — |
| 1981 | 64° | — | — | — | — |
| 1979 | 74° | 50° | 62° | — | — |
| 1977 | 58° | 46° | 52° | — | — |
| 1976 | 64° | 39° | 52° | — | — |
| 1975 | 71° | 50° | 61° | — | — |
| 1974 | 58° | 42° | 50° | 0.61" | — |
| 1973 | 85° | 52° | 68° | — | — |
| 1972 | 55° | 45° | 50° | 0.89" | — |
| 1971coldest | 55° | 41° | 48° | 0.03" | — |
52 years of data from PORTLAND TROUTDALE AP