Weather on October 15
Seattle, WA
55 Years of Data
Avg High
61°F
Avg Low
47°F
Warmest
1991
63°F avg
Coldest
2008
44°F avg
About This Date
October 15th in Seattle, WA typically brings mild fall weather, with average highs around 61°F and lows near 47°F. Over 54 years of records, the warmest October 15th was in 1991 (63°F average), while the coldest was 2008 (44°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 35% of October 15th dates historically, with the wettest October 15th recording 1.73" of rain. The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
Planning for October 15th in Seattle, WA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 61° | 36° | 48° | — | — |
| 2024 | 61° | 55° | 58° | — | — |
| 2023 | 61° | 53° | 57° | 0.03" | — |
| 2022 | 72° | 53° | 62° | — | — |
| 2021 | 61° | 52° | 56° | — | — |
| 2020 | 62° | 44° | 53° | — | — |
| 2019 | 61° | 45° | 53° | — | — |
| 2018 | 64° | 40° | 52° | — | — |
| 2017 | 62° | 39° | 51° | — | — |
| 2016 | 62° | 50° | 56° | 1.73" | — |
| 2015 | 68° | 52° | 60° | — | — |
| 2014 | 62° | 53° | 58° | 1.12" | — |
| 2013 | 61° | 42° | 51° | — | — |
| 2012 | 63° | 54° | 58° | 0.53" | — |
| 2011 | 56° | 43° | 49° | — | — |
| 2010 | 59° | 46° | 53° | — | — |
| 2009 | 65° | 48° | 56° | 0.18" | — |
| 2008coldest | 53° | 36° | 44° | 0.28" | — |
| 2007 | 56° | 51° | 53° | 0.23" | — |
| 2006 | 56° | 50° | 53° | 0.97" | — |
| 2005 | 62° | 52° | 57° | 0.15" | — |
| 2004 | 61° | 57° | 59° | — | — |
| 2003 | 56° | 41° | 48° | 1.09" | — |
| 2002 | 65° | 49° | 57° | — | — |
| 2001 | 60° | 49° | 54° | — | — |
| 2000 | 55° | 39° | 47° | — | — |
| 1999 | 55° | 41° | 48° | 0.03" | — |
| 1997 | 68° | 50° | 59° | — | — |
| 1996 | 56° | 43° | 49° | 0.43" | — |
| 1995 | 68° | 48° | 58° | 0.43" | — |
| 1994 | 60° | 44° | 52° | — | — |
| 1993 | 57° | 53° | 55° | 0.36" | — |
| 1992 | 54° | 36° | 45° | — | — |
| 1991warmest | 75° | 51° | 63° | — | — |
| 1990 | 51° | 48° | 50° | 0.53" | — |
| 1989 | 56° | 40° | 48° | — | — |
| 1988 | 61° | 58° | 59° | 0.1" | — |
| 1987 | 61° | 43° | 52° | — | — |
| 1986 | 63° | 44° | 53° | — | — |
| 1985 | 65° | 55° | 60° | — | — |
| 1984 | 53° | 41° | 47° | — | — |
| 1983 | 58° | 44° | 51° | — | — |
| 1982 | 59° | 51° | 55° | — | — |
| 1981 | 60° | 44° | 52° | — | — |
| 1980 | 57° | 42° | 50° | — | — |
| 1979 | 63° | 53° | 58° | — | — |
| 1978 | 66° | 48° | 57° | — | — |
| 1977 | 71° | 48° | 60° | 0.08" | — |
| 1976 | 60° | 46° | 53° | — | — |
| 1975 | 60° | 51° | 56° | — | — |
| 1974 | 65° | 47° | 56° | — | — |
| 1973 | 57° | 45° | 51° | 0.3" | — |
| 1972 | 65° | 46° | 55° | — | — |
| 1971 | 56° | 45° | 50° | 0.48" | — |
54 years of data from SEATTLE URBAN SITE