Weather on August 9
Renton, WA
55 Years of Data
Avg High
80°F
Avg Low
57°F
Warmest
1981
79°F avg
Coldest
1975
58°F avg
About This Date
August 9th in Renton, WA typically brings warm summer weather, with average highs around 80°F and lows near 57°F. Over 55 years of records, the warmest August 9th was in 1981 (79°F average), while the coldest was 1975 (58°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 11% of August 9th dates historically, with the wettest August 9th recording 1.14" 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 9th in Renton, WA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 81° | 57° | 69° | — | — |
| 2024 | 86° | 64° | 75° | — | — |
| 2023 | 79° | 63° | 71° | — | — |
| 2022 | 79° | 61° | 70° | — | — |
| 2021 | 79° | 56° | 67° | — | — |
| 2020 | 77° | 51° | 64° | — | — |
| 2019 | 75° | 62° | 69° | — | — |
| 2018 | 91° | 65° | 78° | — | — |
| 2017 | 90° | 62° | 76° | — | — |
| 2016 | 71° | 60° | 66° | — | — |
| 2015 | 82° | 60° | 71° | — | — |
| 2014 | 80° | 58° | 69° | — | — |
| 2013 | 82° | 59° | 71° | 0.08" | — |
| 2012 | 76° | 60° | 68° | — | — |
| 2011 | 69° | 57° | 63° | — | — |
| 2010 | 67° | 57° | 62° | 0.03" | — |
| 2009 | 78° | 60° | 69° | — | — |
| 2008 | 69° | 57° | 63° | 0.76" | — |
| 2007 | 72° | 56° | 64° | — | — |
| 2006 | 73° | 61° | 67° | — | — |
| 2005 | 78° | 58° | 68° | — | — |
| 2004 | 92° | 64° | 78° | — | — |
| 2003 | 74° | 60° | 67° | 0.2" | — |
| 2002 | 83° | 55° | 69° | — | — |
| 2001 | 87° | 57° | 72° | — | — |
| 2000 | 74° | 58° | 66° | — | — |
| 1999 | 81° | 64° | 72° | — | — |
| 1998 | 79° | 56° | 67° | — | — |
| 1997 | 83° | 57° | 70° | — | — |
| 1996 | 87° | 57° | 72° | — | — |
| 1995 | 76° | 50° | 63° | — | — |
| 1994 | 75° | 57° | 66° | 0.3" | — |
| 1993 | 73° | 61° | 67° | — | — |
| 1992 | 77° | 52° | 64° | — | — |
| 1991 | 82° | 61° | 71° | 1.14" | — |
| 1990 | 86° | 55° | 71° | — | — |
| 1989 | 73° | 55° | 64° | — | — |
| 1988 | 70° | 50° | 60° | — | — |
| 1987 | 88° | 56° | 72° | — | — |
| 1986 | 88° | 57° | 72° | — | — |
| 1985 | 69° | 57° | 63° | — | — |
| 1984 | 86° | 55° | 71° | — | — |
| 1983 | 78° | 55° | 67° | — | — |
| 1982 | 78° | 52° | 65° | — | — |
| 1981warmest | 99° | 59° | 79° | — | — |
| 1980 | 84° | 49° | 66° | — | — |
| 1979 | 84° | 45° | 64° | — | — |
| 1978 | 94° | 55° | 74° | — | — |
| 1977 | 92° | 52° | 72° | — | — |
| 1976 | 72° | 57° | 64° | — | — |
| 1975coldest | 76° | 41° | 58° | — | — |
| 1974 | 75° | 50° | 63° | — | — |
| 1973 | 80° | 52° | 66° | — | — |
| 1972 | 90° | 57° | 73° | — | — |
| 1971 | 94° | 54° | 74° | — | — |
55 years of data from RENTON MUNI AP