Weather on August 21
Salem, OR
55 Years of Data
Avg High
81°F
Avg Low
53°F
Warmest
2018
76°F avg
Coldest
1980
58°F avg
About This Date
August 21st in Salem, OR typically brings warm summer weather, with average highs around 81°F and lows near 53°F — a 28°F daily swing. Over 55 years of records, the warmest August 21st was in 2018 (76°F average), while the coldest was 1980 (58°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 18% of August 21st dates historically. The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
Planning for August 21st in Salem, OR? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 89° | 55° | 72° | — | — |
| 2024 | 78° | 56° | 67° | — | — |
| 2023 | 83° | 55° | 69° | — | — |
| 2022 | 91° | 55° | 73° | — | — |
| 2021 | 76° | 57° | 66° | — | — |
| 2020 | 79° | 61° | 70° | 0.03" | — |
| 2019 | 71° | 54° | 62° | 0.08" | — |
| 2018warmest | 95° | 58° | 76° | — | — |
| 2017 | 90° | 58° | 74° | — | — |
| 2016 | 86° | 53° | 70° | — | — |
| 2015 | 80° | 53° | 67° | — | — |
| 2014 | 82° | 49° | 65° | — | — |
| 2013 | 91° | 56° | 73° | — | — |
| 2012 | 82° | 54° | 68° | — | — |
| 2011 | 92° | 58° | 75° | — | — |
| 2010 | 74° | 49° | 61° | — | — |
| 2009 | 76° | 54° | 65° | — | — |
| 2008 | 72° | 53° | 62° | 0.25" | — |
| 2007 | 78° | 60° | 69° | — | — |
| 2006 | 78° | 51° | 65° | — | — |
| 2005 | 84° | 52° | 68° | — | — |
| 2004 | 85° | 57° | 71° | 0.03" | — |
| 2003 | 90° | 52° | 71° | — | — |
| 2002 | 69° | 48° | 59° | — | — |
| 2001 | 72° | 50° | 61° | 0.2" | — |
| 2000 | 83° | 48° | 65° | — | — |
| 1999 | 81° | 56° | 68° | — | — |
| 1998 | 76° | 55° | 65° | — | — |
| 1997 | 82° | 61° | 71° | — | — |
| 1996 | 83° | 49° | 66° | — | — |
| 1995 | 80° | 50° | 65° | — | — |
| 1994 | 76° | 52° | 64° | — | — |
| 1993 | 78° | 54° | 66° | — | — |
| 1992 | 73° | 47° | 60° | — | — |
| 1991 | 91° | 54° | 72° | — | — |
| 1990 | 68° | 59° | 64° | 0.18" | — |
| 1989 | 74° | 60° | 67° | 0.08" | — |
| 1988 | 86° | 41° | 64° | — | — |
| 1987 | 80° | 44° | 62° | — | — |
| 1986 | 89° | 53° | 71° | — | — |
| 1985 | 75° | 42° | 59° | — | — |
| 1984 | 86° | 49° | 67° | — | — |
| 1983 | 85° | 47° | 66° | — | — |
| 1982 | 89° | 51° | 70° | — | — |
| 1981 | 81° | 46° | 63° | — | — |
| 1980coldest | 77° | 39° | 58° | — | — |
| 1979 | 81° | 56° | 68° | 0.25" | — |
| 1978 | 66° | 56° | 61° | 0.46" | — |
| 1977 | 70° | 60° | 65° | — | — |
| 1976 | 81° | 46° | 63° | — | — |
| 1975 | 75° | 57° | 66° | — | — |
| 1974 | 82° | 45° | 63° | — | — |
| 1973 | 78° | 41° | 60° | — | — |
| 1972 | 82° | 58° | 70° | — | — |
| 1971 | 79° | 58° | 68° | 0.46" | — |
55 years of data from SALEM AP (MCNARY FIELD)