Weather on October 18
Renton, WA
55 Years of Data
Avg High
61°F
Avg Low
45°F
Warmest
2009
69°F avg
Coldest
1982
41°F avg
About This Date
October 18th in Renton, WA typically brings mild fall weather, with average highs around 61°F and lows near 45°F. Over 55 years of records, the warmest October 18th was in 2009 (69°F average), while the coldest was 1982 (41°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 40% of October 18th dates historically, with the wettest October 18th recording 2.49" of rain. The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
Planning for October 18th in Renton, WA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
1.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 56° | 46° | 51° | 0.58" | — |
| 2024 | 53° | 44° | 49° | 0.18" | — |
| 2023 | 74° | 51° | 62° | — | — |
| 2022 | 69° | 47° | 58° | — | — |
| 2021 | 57° | 51° | 54° | — | — |
| 2020 | 64° | 53° | 59° | 0.03" | — |
| 2019 | 52° | 47° | 49° | 1.9" | — |
| 2018 | 70° | 44° | 57° | — | — |
| 2017 | 66° | 47° | 56° | 2.49" | — |
| 2016 | 60° | 49° | 54° | 0.03" | — |
| 2015 | 60° | 57° | 59° | 0.86" | — |
| 2014 | 67° | 57° | 62° | 0.99" | — |
| 2013 | 57° | 42° | 50° | — | — |
| 2012 | 67° | 45° | 56° | 1.78" | — |
| 2011 | 66° | 46° | 56° | — | — |
| 2010 | 59° | 40° | 49° | — | — |
| 2009warmest | 81° | 58° | 69° | 0.38" | — |
| 2008 | 58° | 43° | 50° | — | — |
| 2007 | 63° | 46° | 54° | 0.58" | — |
| 2006 | 55° | 50° | 53° | 0.69" | — |
| 2005 | 60° | 55° | 58° | 0.03" | — |
| 2004 | 55° | 48° | 52° | 0.15" | — |
| 2003 | 68° | 50° | 59° | — | — |
| 2002 | 53° | 48° | 51° | — | — |
| 2001 | 57° | 44° | 51° | — | — |
| 2000 | 61° | 47° | 54° | — | — |
| 1999 | 68° | 51° | 60° | — | — |
| 1998 | 58° | 41° | 49° | — | — |
| 1997 | 53° | 46° | 50° | — | — |
| 1996 | 53° | 41° | 47° | 2.18" | — |
| 1995 | 59° | 42° | 51° | 0.23" | — |
| 1994 | 56° | 49° | 52° | — | — |
| 1993 | 60° | 40° | 50° | — | — |
| 1992 | 63° | 51° | 57° | 0.25" | — |
| 1991 | 63° | 43° | 53° | — | — |
| 1990 | 57° | 42° | 50° | — | — |
| 1989 | 76° | 40° | 58° | 0.43" | — |
| 1988 | 53° | 47° | 50° | 0.43" | — |
| 1987 | 59° | 33° | 46° | — | — |
| 1986 | 55° | 41° | 48° | — | — |
| 1985 | 63° | 48° | 55° | — | — |
| 1984 | 59° | 31° | 45° | — | — |
| 1983 | 62° | 36° | 49° | — | — |
| 1982coldest | 54° | 28° | 41° | — | — |
| 1981 | 51° | 47° | 49° | — | — |
| 1980 | 61° | 42° | 51° | — | — |
| 1979 | 52° | 47° | 49° | 1.52" | — |
| 1978 | 64° | 44° | 54° | — | — |
| 1977 | 55° | 44° | 50° | — | — |
| 1976 | 69° | 34° | 51° | — | — |
| 1975 | 58° | 46° | 52° | — | — |
| 1974 | 70° | 42° | 56° | — | — |
| 1973 | 69° | 42° | 56° | — | — |
| 1972 | 63° | 36° | 49° | 0.08" | — |
| 1971 | 54° | 42° | 48° | 0.51" | — |
55 years of data from RENTON MUNI AP