Weather on June 18
Portland, OR
55 Years of Data
Avg High
73°F
Avg Low
54°F
Warmest
1982
84°F avg
Coldest
2023
53°F avg
About This Date
June 18th in Portland, OR typically brings pleasant summer weather, with average highs around 73°F and lows near 54°F. Over 55 years of records, the warmest June 18th was in 1982 (84°F average), while the coldest was 2023 (53°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 24% of June 18th dates historically, with the wettest June 18th recording 0.94" 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 June 18th in Portland, OR? Great weather for outdoor activities.
Cooling Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 73° | 57° | 65° | — | — |
| 2024 | 70° | 47° | 58° | — | — |
| 2023coldest | 56° | 50° | 53° | 0.94" | — |
| 2022 | 62° | 51° | 57° | 0.53" | — |
| 2021 | 78° | 56° | 67° | — | — |
| 2020 | 79° | 52° | 65° | — | — |
| 2019 | 70° | 58° | 64° | — | — |
| 2018 | 82° | 58° | 70° | — | — |
| 2017 | 77° | 56° | 66° | 0.03" | — |
| 2016 | 69° | 46° | 58° | 0.05" | — |
| 2015 | 83° | 59° | 71° | — | — |
| 2014 | 71° | 48° | 60° | — | — |
| 2013 | 68° | 55° | 62° | — | — |
| 2012 | 63° | 53° | 58° | 0.08" | — |
| 2011 | 63° | 53° | 58° | 0.43" | — |
| 2010 | 71° | 46° | 59° | — | — |
| 2009 | 76° | 60° | 68° | — | — |
| 2008 | 68° | 50° | 59° | — | — |
| 2007 | 70° | 52° | 61° | — | — |
| 2006 | 69° | 51° | 60° | — | — |
| 2005 | 73° | 53° | 63° | — | — |
| 2004 | 89° | 64° | 77° | — | — |
| 2003 | 70° | 56° | 63° | — | — |
| 2002 | 66° | 53° | 60° | — | — |
| 2001 | 74° | 46° | 60° | — | — |
| 2000 | 73° | 55° | 64° | — | — |
| 1999 | 66° | 55° | 61° | 0.08" | — |
| 1998 | 66° | 50° | 58° | — | — |
| 1997 | 71° | 56° | 63° | — | — |
| 1996 | 67° | 48° | 57° | — | — |
| 1995 | 59° | 51° | 55° | 0.28" | — |
| 1994 | 66° | 51° | 59° | — | — |
| 1993 | 82° | 57° | 70° | — | — |
| 1992 | 83° | 55° | 69° | — | — |
| 1991 | 80° | 53° | 67° | — | — |
| 1990 | 79° | 51° | 65° | — | — |
| 1989 | 71° | 56° | 63° | 0.08" | — |
| 1988 | 76° | 58° | 67° | — | — |
| 1987 | 78° | 48° | 63° | — | — |
| 1986 | 64° | 52° | 58° | 0.41" | — |
| 1985 | 97° | 59° | 78° | — | — |
| 1984 | 75° | 48° | 62° | — | — |
| 1983 | 65° | 51° | 58° | 0.13" | — |
| 1982warmest | 101° | 67° | 84° | — | — |
| 1981 | 72° | 53° | 62° | 0.56" | — |
| 1980 | 75° | 48° | 62° | — | — |
| 1979 | 70° | 54° | 62° | — | — |
| 1978 | 76° | 57° | 66° | — | — |
| 1977 | 73° | 57° | 65° | — | — |
| 1976 | 91° | 61° | 76° | — | — |
| 1975 | 61° | 49° | 55° | — | — |
| 1974 | 83° | 57° | 70° | — | — |
| 1973 | 73° | 48° | 61° | — | — |
| 1972 | 77° | 55° | 66° | — | — |
| 1971 | 70° | 55° | 62° | 0.64" | — |
55 years of data from PORTLAND KGW-TV