Weather on August 18
Salem, OR
55 Years of Data
Avg High
82°F
Avg Low
54°F
Warmest
2016
80°F avg
Coldest
1996
57°F avg
About This Date
August 18th in Salem, OR typically brings warm summer weather, with average highs around 82°F and lows near 54°F — a 28°F daily swing. Over 55 years of records, the warmest August 18th was in 2016 (80°F average), while the coldest was 1996 (57°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 9% of August 18th dates historically. The last decade has been 6.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.0°F warmer on this date compared to 20-30 years ago.
Planning for August 18th in Salem, OR? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 79° | 59° | 69° | — | — |
| 2024 | 79° | 58° | 68° | — | — |
| 2023 | 84° | 58° | 71° | — | — |
| 2022 | 89° | 64° | 77° | — | — |
| 2021 | 84° | 51° | 68° | — | — |
| 2020 | 86° | 60° | 73° | — | — |
| 2019 | 82° | 59° | 71° | — | — |
| 2018 | 88° | 50° | 69° | — | — |
| 2017 | 87° | 57° | 72° | — | — |
| 2016warmest | 102° | 57° | 80° | — | — |
| 2015 | 97° | 56° | 76° | — | — |
| 2014 | 93° | 60° | 77° | — | — |
| 2013 | 87° | 56° | 71° | — | — |
| 2012 | 82° | 58° | 70° | — | — |
| 2011 | 80° | 52° | 66° | — | — |
| 2010 | 79° | 55° | 67° | — | — |
| 2009 | 96° | 62° | 79° | — | — |
| 2008 | 69° | 59° | 64° | 0.18" | — |
| 2007 | 73° | 56° | 64° | 0.08" | — |
| 2006 | 92° | 55° | 73° | — | — |
| 2005 | 83° | 53° | 68° | — | — |
| 2004 | 90° | 58° | 74° | — | — |
| 2003 | 90° | 58° | 74° | — | — |
| 2002 | 80° | 51° | 66° | — | — |
| 2001 | 75° | 57° | 66° | — | — |
| 2000 | 68° | 49° | 58° | 0.03" | — |
| 1999 | 78° | 56° | 67° | — | — |
| 1998 | 75° | 50° | 63° | — | — |
| 1997 | 75° | 56° | 65° | — | — |
| 1996coldest | 70° | 45° | 57° | — | — |
| 1995 | 76° | 45° | 60° | — | — |
| 1994 | 81° | 51° | 66° | — | — |
| 1993 | 87° | 51° | 69° | — | — |
| 1992 | 89° | 54° | 71° | — | — |
| 1991 | 87° | 54° | 70° | — | — |
| 1990 | 74° | 57° | 65° | — | — |
| 1989 | 87° | 49° | 68° | — | — |
| 1988 | 78° | 44° | 61° | — | — |
| 1987 | 88° | 52° | 70° | — | — |
| 1986 | 77° | 50° | 64° | — | — |
| 1985 | 68° | 53° | 61° | — | — |
| 1984 | 80° | 54° | 67° | — | — |
| 1983 | 85° | 50° | 67° | — | — |
| 1982 | 88° | 53° | 70° | — | — |
| 1981 | 91° | 54° | 72° | — | — |
| 1980 | 74° | 50° | 62° | — | — |
| 1979 | 71° | 51° | 61° | 0.25" | — |
| 1978 | 79° | 55° | 67° | — | — |
| 1977 | 81° | 58° | 69° | — | — |
| 1976 | 80° | 45° | 62° | — | — |
| 1975 | 70° | 51° | 60° | 0.13" | — |
| 1974 | 73° | 57° | 65° | — | — |
| 1973 | 77° | 41° | 59° | — | — |
| 1972 | 76° | 43° | 59° | — | — |
| 1971 | 86° | 50° | 68° | — | — |
55 years of data from SALEM AP (MCNARY FIELD)