Weather on August 13
Portland, OR
55 Years of Data
Avg High
81°F
Avg Low
59°F
Warmest
2002
84°F avg
Coldest
1976
60°F avg
About This Date
August 13th in Portland, OR typically brings warm summer weather, with average highs around 81°F and lows near 59°F. Over 55 years of records, the warmest August 13th was in 2002 (84°F average), while the coldest was 1976 (60°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 13% of August 13th dates historically, with the wettest August 13th recording 1.17" of rain. The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
Planning for August 13th in Portland, OR? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 63° | 73° | — | — |
| 2024 | 69° | 59° | 64° | — | — |
| 2023 | 97° | 68° | 82° | — | — |
| 2022 | 76° | 60° | 68° | — | — |
| 2021 | 94° | 70° | 82° | — | — |
| 2020 | 76° | 56° | 66° | — | — |
| 2019 | 86° | 60° | 73° | — | — |
| 2018 | 87° | 60° | 74° | — | — |
| 2017 | 73° | 57° | 65° | 0.23" | — |
| 2016 | 91° | 66° | 79° | — | — |
| 2015 | 86° | 63° | 74° | — | — |
| 2014 | 77° | 62° | 70° | 0.1" | — |
| 2013 | 83° | 55° | 69° | — | — |
| 2012 | 90° | 62° | 76° | — | — |
| 2011 | 70° | 54° | 62° | — | — |
| 2010 | 93° | 60° | 77° | — | — |
| 2009 | 69° | 54° | 61° | — | — |
| 2008 | 86° | 61° | 73° | — | — |
| 2007 | 82° | 50° | 66° | — | — |
| 2006 | 89° | 59° | 74° | — | — |
| 2005 | 92° | 61° | 76° | — | — |
| 2004 | 87° | 60° | 74° | — | — |
| 2003 | 82° | 58° | 70° | — | — |
| 2002warmest | 99° | 69° | 84° | — | — |
| 2001 | 83° | 59° | 71° | — | — |
| 2000 | 76° | 53° | 64° | — | — |
| 1999 | 69° | 61° | 65° | 0.05" | — |
| 1998 | 93° | 68° | 81° | — | — |
| 1997 | 89° | 63° | 76° | — | — |
| 1996 | 93° | 64° | 79° | — | — |
| 1995 | 74° | 50° | 62° | — | — |
| 1994 | 85° | 59° | 72° | — | — |
| 1993 | 65° | 58° | 61° | — | — |
| 1992 | 97° | 68° | 82° | — | — |
| 1991 | 82° | 59° | 71° | — | — |
| 1990 | 79° | 60° | 69° | — | — |
| 1989 | 76° | 60° | 68° | — | — |
| 1988 | 70° | 56° | 63° | — | — |
| 1987 | 69° | 56° | 62° | 1.17" | — |
| 1986 | 84° | 61° | 72° | — | — |
| 1985 | 90° | 61° | 75° | — | — |
| 1984 | 74° | 53° | 63° | — | — |
| 1983 | 92° | 63° | 77° | — | — |
| 1982 | 70° | 56° | 63° | — | — |
| 1981 | 84° | 59° | 72° | — | — |
| 1980 | 70° | 59° | 64° | — | — |
| 1979 | 67° | 60° | 63° | 0.03" | — |
| 1978 | 76° | 55° | 65° | 0.1" | — |
| 1977 | 95° | 60° | 78° | — | — |
| 1976coldest | 64° | 55° | 60° | 0.46" | — |
| 1975 | 87° | 56° | 71° | — | — |
| 1974 | 69° | 54° | 61° | — | — |
| 1973 | 80° | 57° | 69° | — | — |
| 1972 | 75° | 53° | 64° | — | — |
| 1971 | 71° | 59° | 65° | — | — |
55 years of data from PORTLAND KGW-TV