Weather on August 23
Renton, WA
55 Years of Data
Avg High
75°F
Avg Low
54°F
Warmest
2025
75°F avg
Coldest
1973
55°F avg
About This Date
August 23rd in Renton, WA typically brings pleasant summer weather, with average highs around 75°F and lows near 54°F. Over 55 years of records, the warmest August 23rd was in 2025 (75°F average), while the coldest was 1973 (55°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 18% of August 23rd dates historically, with the wettest August 23rd recording 1.52" 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 Renton, WA? Great weather for outdoor activities.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 90° | 60° | 75° | — | — |
| 2024 | 62° | 56° | 59° | 0.81" | — |
| 2023 | 74° | 59° | 66° | 0.05" | — |
| 2022 | 81° | 60° | 70° | — | — |
| 2021 | 72° | 54° | 63° | — | — |
| 2020 | 76° | 52° | 64° | — | — |
| 2019 | 73° | 54° | 63° | — | — |
| 2018 | 75° | 59° | 67° | — | — |
| 2017 | 76° | 62° | 69° | — | — |
| 2016 | 79° | 52° | 65° | — | — |
| 2015 | 80° | 53° | 67° | — | — |
| 2014 | 81° | 57° | 69° | — | — |
| 2013 | 75° | 62° | 69° | — | — |
| 2012 | 71° | 59° | 65° | — | — |
| 2011 | 78° | 63° | 70° | — | — |
| 2010 | 75° | 52° | 63° | — | — |
| 2009 | 72° | 57° | 64° | — | — |
| 2008 | 83° | 55° | 69° | — | — |
| 2007 | 78° | 55° | 67° | — | — |
| 2006 | 67° | 52° | 59° | — | — |
| 2005 | 73° | 57° | 65° | — | — |
| 2004 | 74° | 61° | 67° | — | — |
| 2003 | 71° | 51° | 61° | — | — |
| 2002 | 82° | 55° | 69° | — | — |
| 2001 | 65° | 55° | 60° | 0.36" | — |
| 2000 | 84° | 56° | 70° | — | — |
| 1999 | 85° | 60° | 72° | — | — |
| 1998 | 72° | 59° | 65° | 0.1" | — |
| 1997 | 73° | 62° | 68° | — | — |
| 1996 | 83° | 55° | 69° | — | — |
| 1995 | 71° | 55° | 63° | — | — |
| 1994 | 73° | 58° | 65° | — | — |
| 1993 | 69° | 58° | 63° | 0.08" | — |
| 1992 | 75° | 55° | 65° | — | — |
| 1991 | 68° | 53° | 61° | — | — |
| 1990 | 70° | 50° | 60° | — | — |
| 1989 | 71° | 57° | 64° | — | — |
| 1988 | 88° | 43° | 65° | — | — |
| 1987 | 81° | 50° | 65° | — | — |
| 1986 | 78° | 56° | 67° | — | — |
| 1985 | 87° | 43° | 65° | — | — |
| 1984 | 77° | 53° | 65° | — | — |
| 1983 | 77° | 53° | 65° | — | — |
| 1982 | 83° | 42° | 62° | — | — |
| 1981 | — | 45° | — | — | — |
| 1980 | 76° | 53° | 64° | — | — |
| 1979 | 74° | 52° | 63° | 0.08" | — |
| 1978 | 66° | 46° | 56° | 0.08" | — |
| 1977 | 72° | 56° | 64° | 1.52" | — |
| 1976 | 66° | 51° | 59° | — | — |
| 1975 | 62° | 50° | 56° | 1.52" | — |
| 1974 | 76° | 57° | 66° | — | — |
| 1973coldest | 71° | 39° | 55° | — | — |
| 1972 | 77° | 46° | 62° | — | — |
| 1971 | 76° | 53° | 64° | 0.08" | — |
55 years of data from RENTON MUNI AP