Weather on August 23
Portland, OR
55 Years of Data
Avg High
78°F
Avg Low
57°F
Warmest
1988
83°F avg
Coldest
1973
56°F avg
About This Date
August 23rd in Portland, OR typically brings pleasant summer weather, with average highs around 78°F and lows near 57°F. Over 55 years of records, the warmest August 23rd was in 1988 (83°F average), while the coldest was 1973 (56°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 22% of August 23rd dates historically, with the wettest August 23rd recording 2.92" 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 August 23rd in Portland, OR? Great weather for outdoor activities.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 99° | 64° | 81° | — | — |
| 2024 | 67° | 56° | 61° | 0.38" | — |
| 2023 | 75° | 56° | 65° | — | — |
| 2022 | 84° | 60° | 72° | — | — |
| 2021 | 71° | 49° | 60° | — | — |
| 2020 | 82° | 55° | 69° | — | — |
| 2019 | 80° | 56° | 68° | — | — |
| 2018 | 72° | 58° | 65° | — | — |
| 2017 | 81° | 60° | 70° | — | — |
| 2016 | 82° | 55° | 69° | — | — |
| 2015 | 85° | 61° | 73° | — | — |
| 2014 | 85° | 59° | 72° | — | — |
| 2013 | 74° | 59° | 66° | 0.1" | — |
| 2012 | 71° | 53° | 62° | — | — |
| 2011 | 83° | 65° | 74° | 0.25" | — |
| 2010 | 78° | 52° | 65° | — | — |
| 2009 | 73° | 52° | 62° | — | — |
| 2008 | 87° | 58° | 72° | — | — |
| 2007 | 83° | 56° | 69° | — | — |
| 2006 | 70° | 55° | 62° | — | — |
| 2005 | 71° | 53° | 62° | — | — |
| 2004 | 67° | 57° | 62° | 0.28" | — |
| 2003 | 76° | 52° | 64° | — | — |
| 2002 | 84° | 58° | 71° | — | — |
| 2001 | 68° | 56° | 62° | 0.13" | — |
| 2000 | 89° | 62° | 76° | — | — |
| 1999 | 90° | 57° | 73° | — | — |
| 1998 | 69° | 60° | 65° | — | — |
| 1997 | 80° | 59° | 70° | — | — |
| 1996 | 93° | 64° | 79° | — | — |
| 1995 | 71° | 57° | 64° | — | — |
| 1994 | 76° | 56° | 66° | — | — |
| 1993 | 72° | 58° | 65° | 0.13" | — |
| 1992 | 77° | 54° | 65° | — | — |
| 1991 | 69° | 55° | 62° | — | — |
| 1990 | 72° | 51° | 61° | — | — |
| 1989 | 69° | 55° | 62° | 0.03" | — |
| 1988warmest | 101° | 65° | 83° | — | — |
| 1987 | 84° | 65° | 74° | — | — |
| 1986 | 83° | 58° | 70° | — | — |
| 1985 | 90° | 59° | 74° | — | — |
| 1984 | 68° | 59° | 64° | — | — |
| 1983 | 65° | 57° | 61° | — | — |
| 1982 | 92° | 59° | 75° | — | — |
| 1981 | 88° | 60° | 74° | — | — |
| 1980 | 80° | 51° | 66° | — | — |
| 1979 | 74° | 61° | 67° | 0.1" | — |
| 1978 | 68° | 53° | 61° | 0.23" | — |
| 1977 | 65° | 57° | 61° | 2.92" | — |
| 1976 | 80° | 60° | 70° | — | — |
| 1975 | 70° | 58° | 64° | 0.23" | — |
| 1974 | 77° | 53° | 65° | — | — |
| 1973coldest | 64° | 48° | 56° | 0.13" | — |
| 1972 | 83° | 59° | 71° | — | — |
| 1971 | 78° | 53° | 66° | — | — |
55 years of data from PORTLAND KGW-TV