Weather on October 20
Renton, WA
55 Years of Data
Avg High
60°F
Avg Low
45°F
Warmest
2003
61°F avg
Coldest
1982
42°F avg
About This Date
October 20th in Renton, WA typically brings mild fall weather, with average highs around 60°F and lows near 45°F. Over 55 years of records, the warmest October 20th was in 2003 (61°F average), while the coldest was 1982 (42°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 42% of October 20th dates historically, with the wettest October 20th recording 11.38" 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 20th in Renton, WA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 60° | 48° | 54° | — | — |
| 2024 | 69° | 54° | 61° | 0.05" | — |
| 2023 | 63° | 57° | 60° | — | — |
| 2022 | 65° | 48° | 56° | — | — |
| 2021 | 62° | 50° | 56° | 0.41" | — |
| 2020 | 61° | 46° | 53° | — | — |
| 2019 | 54° | 44° | 49° | 0.03" | — |
| 2018 | 57° | 42° | 50° | — | — |
| 2017 | 54° | 45° | 49° | 0.08" | — |
| 2016 | 62° | 50° | 56° | 2.08" | — |
| 2015 | 63° | 49° | 56° | — | — |
| 2014 | 62° | 54° | 58° | 0.94" | — |
| 2013 | 50° | 46° | 48° | — | — |
| 2012 | 51° | 43° | 47° | 0.13" | — |
| 2011 | 58° | 50° | 54° | — | — |
| 2010 | 64° | 42° | 53° | — | — |
| 2009 | 56° | 42° | 49° | — | — |
| 2008 | 58° | 44° | 51° | 0.43" | — |
| 2007 | 54° | 43° | 48° | 0.56" | — |
| 2006 | 58° | 45° | 51° | — | — |
| 2005 | 60° | 46° | 53° | — | — |
| 2004 | 58° | 50° | 54° | — | — |
| 2003warmest | 67° | 56° | 61° | 11.38" | — |
| 2002 | 60° | 54° | 57° | 0.08" | — |
| 2001 | 52° | 41° | 46° | — | — |
| 2000 | 61° | 46° | 53° | 2.54" | — |
| 1999 | 69° | 45° | 57° | — | — |
| 1998 | 67° | 46° | 56° | — | — |
| 1997 | 53° | 36° | 44° | — | — |
| 1996 | 54° | 37° | 45° | — | — |
| 1995 | 59° | 48° | 54° | 1.12" | — |
| 1994 | 57° | 50° | 54° | 0.2" | — |
| 1993 | 60° | 43° | 51° | — | — |
| 1992 | 65° | 51° | 58° | 1.02" | — |
| 1991 | 63° | 47° | 55° | — | — |
| 1990 | 55° | 36° | 45° | — | — |
| 1989 | 62° | 44° | 53° | 0.03" | — |
| 1988 | 65° | 52° | 58° | — | — |
| 1987 | 70° | 32° | 51° | — | — |
| 1986 | 66° | 38° | 52° | — | — |
| 1985 | 60° | 47° | 53° | 1.35" | — |
| 1984 | 58° | 32° | 45° | — | — |
| 1983 | 66° | 46° | 56° | 0.38" | — |
| 1982coldest | 57° | 27° | 42° | — | — |
| 1981 | 56° | 44° | 50° | — | — |
| 1980 | 60° | 52° | 56° | — | — |
| 1979 | 56° | 43° | 49° | 0.15" | — |
| 1978 | 65° | 44° | 54° | 0.38" | — |
| 1977 | 50° | 43° | 46° | — | — |
| 1976 | 65° | 29° | 47° | — | — |
| 1975 | 58° | 47° | 52° | — | — |
| 1974 | 59° | 42° | 51° | 1.17" | — |
| 1973 | 60° | 48° | 54° | 0.28" | — |
| 1972 | 50° | 42° | 46° | — | — |
| 1971 | 56° | 42° | 49° | 0.58" | — |
55 years of data from RENTON MUNI AP