Weather on August 12
Portland, OR
55 Years of Data
Avg High
82°F
Avg Low
59°F
Warmest
1977
88°F avg
Coldest
1974
60°F avg
About This Date
August 12th in Portland, OR typically brings warm summer weather, with average highs around 82°F and lows near 59°F. Over 55 years of records, the warmest August 12th was in 1977 (88°F average), while the coldest was 1974 (60°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 7% of August 12th dates historically, with the wettest August 12th recording 1.55" 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 12th in Portland, OR? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 97° | 70° | 83° | — | — |
| 2024 | 72° | 56° | 64° | — | — |
| 2023 | 87° | 62° | 75° | — | — |
| 2022 | 79° | 59° | 69° | — | — |
| 2021 | 101° | 71° | 86° | — | — |
| 2020 | 72° | 51° | 61° | — | — |
| 2019 | 81° | 58° | 69° | — | — |
| 2018 | 74° | 60° | 67° | — | — |
| 2017 | 77° | 58° | 67° | — | — |
| 2016 | 96° | 65° | 80° | — | — |
| 2015 | 89° | 66° | 78° | — | — |
| 2014 | 80° | 67° | 73° | — | — |
| 2013 | 78° | 58° | 68° | — | — |
| 2012 | 91° | 57° | 74° | — | — |
| 2011 | 80° | 56° | 68° | — | — |
| 2010 | 85° | 55° | 70° | — | — |
| 2009 | 79° | 63° | 71° | 1.55" | — |
| 2008 | 82° | 62° | 72° | — | — |
| 2007 | 67° | 55° | 61° | — | — |
| 2006 | 80° | 52° | 66° | — | — |
| 2005 | 82° | 57° | 70° | — | — |
| 2004 | 88° | 63° | 75° | — | — |
| 2003 | 78° | 56° | 67° | — | — |
| 2002 | 93° | 63° | 78° | — | — |
| 2001 | 92° | 61° | 76° | — | — |
| 2000 | 77° | 55° | 66° | — | — |
| 1999 | 74° | 57° | 65° | — | — |
| 1998 | 89° | 64° | 77° | — | — |
| 1997 | 92° | 63° | 77° | — | — |
| 1996 | 83° | 56° | 69° | — | — |
| 1995 | 71° | 54° | 62° | — | — |
| 1994 | 82° | 58° | 70° | — | — |
| 1993 | 70° | 57° | 63° | — | — |
| 1992 | 90° | 73° | 81° | — | — |
| 1991 | 84° | 58° | 71° | — | — |
| 1990 | 90° | 66° | 78° | — | — |
| 1989 | 76° | 56° | 66° | — | — |
| 1988 | 73° | 57° | 65° | — | — |
| 1987 | 74° | 56° | 65° | — | — |
| 1986 | 78° | 58° | 68° | — | — |
| 1985 | 80° | 55° | 68° | — | — |
| 1984 | 72° | 58° | 65° | — | — |
| 1983 | 83° | 55° | 69° | — | — |
| 1982 | 74° | 54° | 64° | 0.79" | — |
| 1981 | 89° | 60° | 75° | — | — |
| 1980 | 77° | 60° | 69° | — | — |
| 1979 | 85° | 58° | 71° | — | — |
| 1978 | 72° | 58° | 65° | 0.76" | — |
| 1977warmest | 105° | 72° | 88° | — | — |
| 1976 | 79° | 56° | 67° | — | — |
| 1975 | 85° | 55° | 70° | — | — |
| 1974coldest | 69° | 52° | 60° | — | — |
| 1973 | 91° | 60° | 76° | 0.53" | — |
| 1972 | 73° | 55° | 64° | — | — |
| 1971 | 90° | 62° | 76° | — | — |
55 years of data from PORTLAND KGW-TV