Weather on October 21
Bellevue, WA
55 Years of Data
About This Date
October 21st in Bellevue, WA typically brings cool fall weather, with average highs around 59°F and lows near 47°F. Over 55 years of records, the warmest October 21st was in 2003 (62°F average), while the coldest was 1984 (46°F) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 58% of October 21st dates historically, with the wettest October 21st recording 1.88" 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 21st in Bellevue, WA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 64° | 42° | 53° | — | — |
| 2024 | 56° | 49° | 52° | 0.46" | — |
| 2023 | 56° | 54° | 55° | 0.03" | — |
| 2022 | 56° | 47° | 51° | 0.94" | — |
| 2021 | 69° | 50° | 60° | 1.14" | — |
| 2020 | 55° | 43° | 49° | 0.48" | — |
| 2019 | 59° | 52° | 55° | 1.17" | — |
| 2018 | 56° | 43° | 49° | — | — |
| 2017 | 58° | 46° | 52° | 1.88" | — |
| 2016 | 60° | 49° | 54° | 0.03" | — |
| 2015 | 62° | 46° | 54° | — | — |
| 2014 | 63° | 54° | 58° | 0.15" | — |
| 2013 | 52° | 46° | 49° | — | — |
| 2012 | 55° | 42° | 49° | 0.43" | — |
| 2011 | 59° | 51° | 55° | 0.25" | — |
| 2010 | 61° | 46° | 53° | — | — |
| 2009 | 61° | 51° | 56° | 0.41" | — |
| 2008 | 56° | 42° | 49° | — | — |
| 2007 | 54° | 49° | 51° | 0.48" | — |
| 2006 | 62° | 43° | 52° | — | — |
| 2005 | 69° | 50° | 60° | — | — |
| 2004 | 54° | 47° | 50° | 0.08" | — |
| 2003warmest | 67° | 58° | 62° | 1.75" | — |
| 2002 | 59° | 53° | 56° | — | — |
| 2001 | 53° | 46° | 50° | 0.46" | — |
| 2000 | 57° | 43° | 50° | — | — |
| 1999 | 67° | 40° | 53° | — | — |
| 1998 | 69° | 41° | 55° | — | — |
| 1997 | 53° | 41° | 47° | — | — |
| 1996 | 51° | 42° | 47° | 1.3" | — |
| 1995 | 57° | 48° | 53° | 0.36" | — |
| 1994 | 60° | 49° | 54° | 0.08" | — |
| 1993 | 65° | 51° | 58° | — | — |
| 1992 | 64° | 52° | 58° | — | — |
| 1991 | 58° | 47° | 52° | 0.53" | — |
| 1990 | 53° | 47° | 50° | 1.4" | — |
| 1989 | 58° | 51° | 54° | 0.94" | — |
| 1988 | 61° | 53° | 57° | 0.13" | — |
| 1987 | 67° | 41° | 54° | — | — |
| 1986 | 62° | 48° | 55° | — | — |
| 1985 | 56° | 48° | 52° | 0.3" | — |
| 1984coldest | 53° | 39° | 46° | — | — |
| 1983 | 64° | 52° | 58° | 0.58" | — |
| 1982 | 57° | 46° | 52° | 0.38" | — |
| 1981 | 62° | 37° | 50° | — | — |
| 1980 | 58° | 47° | 52° | — | — |
| 1979 | 59° | 43° | 51° | 0.05" | — |
| 1978 | 58° | 44° | 51° | 0.03" | — |
| 1977 | 60° | 45° | 52° | 0.13" | — |
| 1976 | 63° | 40° | 51° | — | — |
| 1975 | 57° | 46° | 52° | 0.74" | — |
| 1974 | 60° | 44° | 52° | — | — |
| 1973 | 63° | 50° | 56° | 0.05" | — |
| 1972 | 52° | 44° | 48° | 0.05" | — |
| 1971 | 54° | 41° | 47° | — | — |
Bellevue, WA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Bellevue, WA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Bellevue, 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 Bellevue, WA
Bellevue, WA has no months that meet our "pleasant" threshold — every season has tradeoffs.