Weather on August 23
Portland, OR
55 Years of Data
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 56 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 21% of August 23rd dates historically, with the wettest August 23rd recording 1.15" 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.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 76° | 61° | 68° | — | — |
| 2025 | 99° | 64° | 81° | — | — |
| 2024 | 67° | 56° | 61° | 0.15" | — |
| 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° | 0.04" | — |
| 2012 | 71° | 53° | 62° | — | — |
| 2011 | 83° | 65° | 74° | 0.1" | — |
| 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° | 0.11" | — |
| 2003 | 76° | 52° | 64° | — | — |
| 2002 | 84° | 58° | 71° | — | — |
| 2001 | 68° | 56° | 62° | 0.05" | — |
| 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° | 0.05" | — |
| 1992 | 77° | 54° | 65° | — | — |
| 1991 | 69° | 55° | 62° | — | — |
| 1990 | 72° | 51° | 61° | — | — |
| 1989 | 69° | 55° | 62° | 0.01" | — |
| 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° | 0.04" | — |
| 1978 | 68° | 53° | 61° | 0.09" | — |
| 1977 | 65° | 57° | 61° | 1.15" | — |
| 1976 | 80° | 60° | 70° | — | — |
| 1975 | 70° | 58° | 64° | 0.09" | — |
| 1974 | 77° | 53° | 65° | — | — |
| 1973coldest | 64° | 48° | 56° | 0.05" | — |
| 1972 | 83° | 59° | 71° | — | — |
| 1971 | 78° | 53° | 66° | — | — |
Portland, OR Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Portland, OR Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Portland, OR Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Portland, OR
Most pleasant months in Portland, OR: May, June, July, August, September.
What to expect on August 23rd
This page shows what actually happened each year. For the odds — typical high and low, and how often it stays dry — see the climatological outlook for this date.
August 23rd outlook →