Weather on October 17
Seattle, WA
55 Years of Data
Avg High
60°F
Avg Low
47°F
Warmest
2015
63°F avg
Coldest
1971
45°F avg
About This Date
October 17th in Seattle, WA typically brings mild fall weather, with average highs around 60°F and lows near 47°F. Over 54 years of records, the warmest October 17th was in 2015 (63°F average), while the coldest was 1971 (45°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 43% of October 17th dates historically, with the wettest October 17th recording 2.9" 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 October 17th in Seattle, WA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 60° | 49° | 54° | 0.3" | — |
| 2024 | 56° | 47° | 51° | 0.13" | — |
| 2023 | 59° | 48° | 54° | 0.05" | — |
| 2022 | 68° | 50° | 59° | — | — |
| 2021 | 57° | 51° | 54° | — | — |
| 2020 | 58° | 53° | 55° | — | — |
| 2019 | 58° | 50° | 54° | 0.13" | — |
| 2018 | 70° | 43° | 56° | — | — |
| 2017 | 61° | 48° | 54° | 0.13" | — |
| 2016 | 60° | 51° | 56° | 0.1" | — |
| 2015warmest | 68° | 57° | 63° | 0.1" | — |
| 2014 | 64° | 57° | 61° | 0.36" | — |
| 2013 | 58° | 46° | 52° | 0.03" | — |
| 2012 | 59° | 43° | 51° | — | — |
| 2011 | 59° | 41° | 50° | — | — |
| 2010 | 58° | 39° | 48° | — | — |
| 2009 | 67° | 56° | 61° | 2.77" | — |
| 2008 | 66° | 51° | 59° | 0.23" | — |
| 2007 | 57° | 41° | 49° | 0.56" | — |
| 2006 | 60° | 50° | 55° | — | — |
| 2005 | 67° | 57° | 62° | — | — |
| 2004 | 57° | 49° | 53° | 1.6" | — |
| 2003 | 72° | 53° | 62° | 1.42" | — |
| 2002 | 68° | 42° | 55° | — | — |
| 2001 | 56° | 41° | 48° | — | — |
| 2000 | 68° | 49° | 58° | 0.81" | — |
| 1999 | 60° | 38° | 49° | — | — |
| 1997 | 60° | 52° | 56° | — | — |
| 1996 | 51° | 40° | 45° | 1.91" | — |
| 1995 | 56° | 46° | 51° | 0.86" | — |
| 1994 | 52° | 44° | 48° | 0.08" | — |
| 1993 | 60° | 47° | 53° | — | — |
| 1992 | 59° | 48° | 54° | 0.08" | — |
| 1991 | 57° | 41° | 49° | — | — |
| 1990 | 57° | 45° | 51° | 0.43" | — |
| 1989 | 70° | 47° | 58° | — | — |
| 1988 | 56° | 46° | 51° | — | — |
| 1987 | 58° | 44° | 51° | — | — |
| 1986 | 59° | 48° | 54° | — | — |
| 1985 | 62° | 50° | 56° | — | — |
| 1984 | 54° | 40° | 47° | — | — |
| 1983 | 60° | 50° | 55° | 0.36" | — |
| 1982 | 53° | 41° | 47° | 0.33" | — |
| 1981 | 54° | 46° | 50° | — | — |
| 1980 | 58° | 41° | 49° | — | — |
| 1979 | 60° | 46° | 53° | — | — |
| 1978 | 64° | 51° | 58° | — | — |
| 1977 | 60° | 43° | 51° | — | — |
| 1976 | 58° | 42° | 50° | — | — |
| 1975 | 61° | 50° | 55° | 2.9" | — |
| 1974 | 66° | 46° | 56° | — | — |
| 1973 | 69° | 46° | 58° | — | — |
| 1972 | 60° | 46° | 53° | — | — |
| 1971coldest | 52° | 38° | 45° | — | — |
54 years of data from SEATTLE URBAN SITE