Weather on August 23
Seattle, WA
55 Years of Data
Avg High
74°F
Avg Low
57°F
Warmest
2025
75°F avg
Coldest
1973
56°F avg
About This Date
August 23rd in Seattle, WA typically brings pleasant summer weather, with average highs around 74°F and lows near 57°F. Over 54 years of records, the warmest August 23rd was in 2025 (75°F average), while the coldest was 1973 (56°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 13% of August 23rd dates historically, with the wettest August 23rd recording 3.91" 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 Seattle, WA? Great weather for outdoor activities.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 87° | 63° | 75° | — | — |
| 2024 | 62° | 57° | 60° | 0.81" | — |
| 2023 | 73° | 57° | 65° | — | — |
| 2022 | 79° | 60° | 69° | — | — |
| 2021 | 71° | 54° | 62° | — | — |
| 2020 | 76° | 55° | 65° | — | — |
| 2019 | 73° | 55° | 64° | — | — |
| 2018 | 73° | 58° | 65° | — | — |
| 2017 | 74° | 60° | 67° | — | — |
| 2016 | 79° | 54° | 66° | — | — |
| 2015 | 82° | 57° | 70° | — | — |
| 2014 | 84° | 59° | 72° | — | — |
| 2013 | 78° | 63° | 70° | — | — |
| 2012 | 69° | 58° | 63° | — | — |
| 2011 | 78° | 61° | 69° | — | — |
| 2010 | 75° | 54° | 64° | — | — |
| 2009 | 71° | 59° | 65° | — | — |
| 2008 | 83° | 56° | 69° | — | — |
| 2007 | 78° | 57° | 68° | — | — |
| 2006 | 68° | 53° | 61° | — | — |
| 2005 | 72° | 57° | 64° | — | — |
| 2004 | 75° | 60° | 68° | — | — |
| 2003 | 70° | 50° | 60° | — | — |
| 2002 | 84° | 56° | 70° | — | — |
| 2001 | 67° | 54° | 60° | 0.13" | — |
| 2000 | 82° | 57° | 70° | — | — |
| 1999 | 81° | 58° | 69° | — | — |
| 1997 | 73° | 62° | 68° | — | — |
| 1996 | 84° | 55° | 70° | — | — |
| 1995 | 72° | 53° | 62° | — | — |
| 1994 | 76° | 59° | 67° | — | — |
| 1993 | 67° | 55° | 61° | 0.91" | — |
| 1992 | 73° | 53° | 63° | — | — |
| 1991 | 65° | 56° | 60° | — | — |
| 1990 | 69° | 55° | 62° | — | — |
| 1989 | 70° | 58° | 64° | — | — |
| 1988 | 82° | 59° | 71° | — | — |
| 1987 | 81° | 55° | 68° | — | — |
| 1986 | 80° | 60° | 70° | — | — |
| 1985 | 82° | 54° | 68° | — | — |
| 1984 | 71° | 57° | 64° | — | — |
| 1983 | 66° | 60° | 63° | — | — |
| 1982 | 79° | 56° | 67° | — | — |
| 1981 | 85° | 57° | 71° | — | — |
| 1980 | 70° | 57° | 63° | — | — |
| 1979 | 68° | 59° | 64° | — | — |
| 1978 | 66° | 53° | 60° | 0.28" | — |
| 1977 | 64° | 56° | 60° | 3.91" | — |
| 1976 | 67° | 58° | 62° | 0.2" | — |
| 1975 | 63° | 52° | 57° | 1.35" | — |
| 1974 | 76° | 63° | 69° | — | — |
| 1973coldest | 63° | 50° | 56° | — | — |
| 1972 | 76° | 55° | 65° | — | — |
| 1971 | 76° | 55° | 65° | — | — |
54 years of data from SEATTLE URBAN SITE