Weather on June 30
Portland, OR
55 Years of Data
Avg High
77°F
Avg Low
56°F
Warmest
1995
81°F avg
Coldest
1973
59°F avg
About This Date
June 30th in Portland, OR typically brings pleasant summer weather, with average highs around 77°F and lows near 56°F. Over 55 years of records, the warmest June 30th was in 1995 (81°F average), while the coldest was 1973 (59°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 15% of June 30th dates historically, with the wettest June 30th recording 0.81" of rain. The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
Planning for June 30th in Portland, OR? Great weather for outdoor activities.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 92° | 66° | 79° | — | — |
| 2024 | 78° | 62° | 70° | — | — |
| 2023 | 81° | 59° | 70° | — | — |
| 2022 | 79° | 54° | 66° | — | — |
| 2021 | 74° | 63° | 68° | — | — |
| 2020 | 70° | 55° | 62° | — | — |
| 2019 | 81° | 55° | 68° | — | — |
| 2018 | 76° | 56° | 66° | — | — |
| 2017 | 87° | 59° | 73° | — | — |
| 2016 | 77° | 52° | 64° | — | — |
| 2015 | 89° | 61° | 75° | — | — |
| 2014 | 82° | 55° | 69° | — | — |
| 2013 | 96° | 60° | 78° | — | — |
| 2012 | 71° | 62° | 67° | 0.13" | — |
| 2011 | 66° | 54° | 60° | — | — |
| 2010 | 70° | 49° | 59° | — | — |
| 2009 | 78° | 48° | 63° | — | — |
| 2008 | 88° | 60° | 74° | — | — |
| 2007 | 77° | 51° | 64° | — | — |
| 2006 | 90° | 59° | 74° | — | — |
| 2005 | 82° | 60° | 71° | — | — |
| 2004 | 82° | 55° | 69° | — | — |
| 2003 | 73° | 60° | 67° | — | — |
| 2002 | 70° | 55° | 62° | — | — |
| 2001 | 75° | 50° | 63° | — | — |
| 2000 | 73° | 53° | 63° | — | — |
| 1999 | 70° | 59° | 64° | — | — |
| 1998 | 71° | 57° | 64° | — | — |
| 1997 | 69° | 57° | 63° | 0.58" | — |
| 1996 | 82° | 53° | 68° | — | — |
| 1995warmest | 96° | 66° | 81° | — | — |
| 1994 | 77° | 52° | 64° | — | — |
| 1993 | 75° | 55° | 65° | — | — |
| 1992 | 72° | 56° | 64° | — | — |
| 1991 | 69° | 55° | 62° | — | — |
| 1990 | 75° | 58° | 66° | — | — |
| 1989 | 63° | 55° | 59° | 0.05" | — |
| 1988 | 76° | 49° | 62° | — | — |
| 1987 | 88° | 60° | 74° | — | — |
| 1986 | 83° | 51° | 67° | — | — |
| 1985 | 75° | 54° | 64° | — | — |
| 1984 | 72° | 48° | 60° | — | — |
| 1983 | 63° | 55° | 59° | 0.81" | — |
| 1982 | 71° | 57° | 64° | — | — |
| 1981 | 72° | 58° | 65° | 0.28" | — |
| 1980 | 79° | 53° | 66° | — | — |
| 1979 | 65° | 56° | 60° | 0.18" | — |
| 1978 | 76° | 60° | 68° | — | — |
| 1977 | 87° | 56° | 71° | — | — |
| 1976 | 66° | 52° | 59° | 0.76" | — |
| 1975 | 77° | 52° | 64° | 0.38" | — |
| 1974 | 85° | 57° | 71° | — | — |
| 1973coldest | 67° | 52° | 59° | — | — |
| 1972 | 79° | 55° | 67° | — | — |
| 1971 | 77° | 53° | 65° | — | — |
55 years of data from PORTLAND KGW-TV