Weather on October 31
Seattle, WA
55 Years of Data
About This Date
October 31st in Seattle, WA typically brings cool fall weather, with average highs around 55°F and lows near 43°F. Over 54 years of records, the warmest October 31st was in 1981 (59°F average), while the coldest was 1984 (38°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 52% of October 31st dates historically, with the wettest October 31st recording 2.11" 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 31st in Seattle, WA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 55° | 40° | 47° | 1.14" | — |
| 2024 | 53° | 40° | 46° | 0.81" | — |
| 2023 | 53° | 31° | 42° | — | — |
| 2022 | 55° | 47° | 51° | 0.94" | — |
| 2021 | 57° | 34° | 45° | — | — |
| 2020 | 57° | 39° | 48° | — | — |
| 2019 | 53° | 32° | 43° | — | — |
| 2018 | 59° | 50° | 55° | 0.03" | — |
| 2017 | 60° | 36° | 48° | — | — |
| 2016 | 59° | 49° | 54° | 1.91" | — |
| 2015 | 63° | 54° | 58° | 2.11" | — |
| 2014 | 59° | 52° | 55° | 1.78" | — |
| 2013 | 57° | 50° | 54° | 0.03" | — |
| 2012 | 61° | 51° | 56° | 1.65" | — |
| 2011 | 54° | 40° | 47° | — | — |
| 2010 | 58° | 48° | 53° | 0.23" | — |
| 2009 | 59° | 48° | 54° | 0.71" | — |
| 2008 | 59° | 50° | 55° | 0.86" | — |
| 2007 | 48° | 33° | 41° | — | — |
| 2006 | 50° | 31° | 41° | — | — |
| 2005 | 55° | 49° | 52° | 1.63" | — |
| 2004 | 52° | 36° | 44° | — | — |
| 2003 | 48° | 30° | 39° | — | — |
| 2002 | 54° | 29° | 41° | — | — |
| 2001 | 55° | 48° | 52° | 0.71" | — |
| 2000 | 54° | 45° | 49° | — | — |
| 1999 | 56° | 41° | 48° | 0.23" | — |
| 1997 | 60° | 52° | 56° | — | — |
| 1996 | 57° | 35° | 46° | — | — |
| 1995 | 53° | 34° | 43° | — | — |
| 1994 | 56° | 44° | 50° | 1.47" | — |
| 1993 | 60° | 44° | 52° | — | — |
| 1992 | 56° | 47° | 51° | 1.83" | — |
| 1991 | 45° | 41° | 43° | 0.71" | — |
| 1990 | 53° | 43° | 48° | 1.17" | — |
| 1989 | 55° | 41° | 48° | — | — |
| 1988 | 65° | 53° | 59° | — | — |
| 1987 | 60° | 56° | 58° | 0.53" | — |
| 1986 | 59° | 47° | 53° | 0.3" | — |
| 1985 | 51° | 42° | 47° | 0.08" | — |
| 1984coldest | 43° | 34° | 38° | — | — |
| 1983 | 61° | 48° | 54° | — | — |
| 1982 | 55° | 48° | 52° | — | — |
| 1981warmest | 65° | 53° | 59° | — | — |
| 1980 | 56° | 50° | 53° | 2.11" | — |
| 1979 | 56° | 41° | 48° | — | — |
| 1978 | 55° | 36° | 45° | — | — |
| 1977 | 52° | 42° | 47° | 0.05" | — |
| 1976 | 60° | 49° | 54° | 1.6" | — |
| 1975 | 55° | 46° | 51° | — | — |
| 1974 | 52° | 47° | 49° | 0.71" | — |
| 1973 | 46° | 43° | 44° | 0.79" | — |
| 1972 | 50° | 42° | 46° | — | — |
| 1971 | 51° | 40° | 45° | 0.05" | — |
Seattle, WA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Seattle, WA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Seattle, WA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Seattle, WA
Seattle, WA has no months that meet our "pleasant" threshold — every season has tradeoffs.