Weather on August 9
Portland, OR
55 Years of Data
Avg High
83°F
Avg Low
59°F
Warmest
1971
84°F avg
Coldest
1985
61°F avg
About This Date
August 9th in Portland, OR typically brings warm summer weather, with average highs around 83°F and lows near 59°F. Over 55 years of records, the warmest August 9th was in 1971 (84°F average), while the coldest was 1985 (61°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 11% of August 9th dates historically, with the wettest August 9th recording 1.3" of rain. The last decade has been 2.8°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.8°F cooler on this date compared to 20-30 years ago.
Planning for August 9th in Portland, OR? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 85° | 59° | 72° | — | — |
| 2024 | 83° | 63° | 73° | — | — |
| 2023 | 80° | 61° | 70° | — | — |
| 2022 | 84° | 61° | 72° | — | — |
| 2021 | 82° | 58° | 70° | — | — |
| 2020 | 81° | 62° | 71° | — | — |
| 2019 | 74° | 59° | 66° | 0.66" | — |
| 2018 | 93° | 62° | 78° | — | — |
| 2017 | 90° | 62° | 76° | — | — |
| 2016 | 68° | 56° | 62° | 0.05" | — |
| 2015 | 84° | 59° | 72° | — | — |
| 2014 | 82° | 55° | 69° | — | — |
| 2013 | 76° | 59° | 67° | — | — |
| 2012 | 78° | 58° | 68° | — | — |
| 2011 | 69° | 58° | 63° | — | — |
| 2010 | 68° | 56° | 62° | — | — |
| 2009 | 78° | 63° | 70° | — | — |
| 2008 | 74° | 59° | 66° | 0.08" | — |
| 2007 | 74° | 59° | 66° | — | — |
| 2006 | 77° | 64° | 71° | — | — |
| 2005 | 83° | 56° | 69° | — | — |
| 2004 | 100° | 60° | 80° | — | — |
| 2003 | 78° | 61° | 69° | 0.13" | — |
| 2002 | 89° | 58° | 73° | — | — |
| 2001 | 99° | 66° | 82° | — | — |
| 2000 | 79° | 59° | 69° | — | — |
| 1999 | 85° | 59° | 72° | — | — |
| 1998 | 84° | 57° | 71° | — | — |
| 1997 | 89° | 60° | 75° | — | — |
| 1996 | 94° | 63° | 78° | — | — |
| 1995 | 84° | 55° | 70° | — | — |
| 1994 | 78° | 55° | 67° | — | — |
| 1993 | 77° | 60° | 69° | — | — |
| 1992 | 85° | 54° | 69° | — | — |
| 1991 | 73° | 59° | 66° | 1.17" | — |
| 1990 | 89° | 62° | 76° | — | — |
| 1989 | 73° | 55° | 64° | — | — |
| 1988 | 82° | 60° | 71° | — | — |
| 1987 | 83° | 62° | 72° | — | — |
| 1986 | 90° | 64° | 77° | — | — |
| 1985coldest | 69° | 53° | 61° | — | — |
| 1984 | 88° | 64° | 76° | — | — |
| 1983 | 81° | 58° | 69° | — | — |
| 1982 | 67° | 59° | 63° | 1.3" | — |
| 1981 | 104° | 64° | 84° | — | — |
| 1980 | 89° | 58° | 73° | — | — |
| 1979 | 88° | 57° | 72° | — | — |
| 1978 | 94° | 60° | 77° | — | — |
| 1977 | 98° | 60° | 79° | — | — |
| 1976 | 72° | 58° | 65° | — | — |
| 1975 | 81° | 50° | 65° | — | — |
| 1974 | 88° | 52° | 70° | — | — |
| 1973 | 80° | 59° | 70° | — | — |
| 1972 | 89° | 62° | 76° | — | — |
| 1971warmest | 99° | 69° | 84° | — | — |
55 years of data from PORTLAND KGW-TV