Weather on October 15
Bellevue, WA
55 Years of Data
Avg High
62°F
Avg Low
46°F
Warmest
2022
65°F avg
Coldest
1992
45°F avg
About This Date
October 15th in Bellevue, WA typically brings mild fall weather, with average highs around 62°F and lows near 46°F. Over 55 years of records, the warmest October 15th was in 2022 (65°F average), while the coldest was 1992 (45°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 38% of October 15th dates historically, with the wettest October 15th recording 1.68" of rain. The last decade has been 3.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.0°F warmer on this date compared to 20-30 years ago.
Planning for October 15th in Bellevue, WA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 64° | 38° | 51° | — | — |
| 2024 | 61° | 54° | 57° | 0.03" | — |
| 2023 | 65° | 53° | 59° | 0.1" | — |
| 2022warmest | 77° | 53° | 65° | — | — |
| 2021 | 60° | 53° | 57° | 0.08" | — |
| 2020 | 64° | 41° | 53° | — | — |
| 2019 | 60° | 46° | 53° | — | — |
| 2018 | 67° | 41° | 54° | — | — |
| 2017 | 65° | 43° | 54° | — | — |
| 2016 | 62° | 51° | 57° | 1.68" | — |
| 2015 | 71° | 49° | 60° | — | — |
| 2014 | 60° | 54° | 57° | 1.04" | — |
| 2013 | 60° | 43° | 51° | — | — |
| 2012 | 63° | 53° | 58° | 0.56" | — |
| 2011 | 59° | 44° | 52° | — | — |
| 2010 | 60° | 46° | 53° | 0.13" | — |
| 2009 | 65° | 48° | 56° | 0.08" | — |
| 2008 | 54° | 37° | 45° | 0.51" | — |
| 2007 | 55° | 50° | 53° | 0.28" | — |
| 2006 | 55° | 50° | 53° | 1.35" | — |
| 2005 | 61° | 52° | 56° | 0.18" | — |
| 2004 | 61° | 57° | 59° | — | — |
| 2003 | 55° | 44° | 50° | 1.19" | — |
| 2002 | 67° | 47° | 57° | — | — |
| 2001 | 62° | 46° | 54° | — | — |
| 2000 | 55° | 42° | 49° | — | — |
| 1999 | 58° | 40° | 49° | — | — |
| 1998 | 56° | 43° | 49° | 0.69" | — |
| 1997 | 68° | 50° | 59° | — | — |
| 1996 | 54° | 42° | 48° | 1.02" | — |
| 1995 | 69° | 47° | 58° | — | — |
| 1994 | 57° | 44° | 51° | — | — |
| 1993 | 59° | 52° | 55° | 0.13" | — |
| 1992coldest | 54° | 36° | 45° | — | — |
| 1991 | 76° | 47° | 61° | — | — |
| 1990 | 50° | 46° | 48° | 0.48" | — |
| 1989 | 56° | 38° | 47° | — | — |
| 1988 | 62° | 58° | 60° | 0.13" | — |
| 1987 | 62° | 44° | 53° | — | — |
| 1986 | 65° | 43° | 54° | — | — |
| 1985 | 65° | 55° | 60° | — | — |
| 1984 | 53° | 41° | 47° | — | — |
| 1983 | 58° | 44° | 51° | — | — |
| 1982 | 69° | 49° | 59° | — | — |
| 1981 | 63° | 42° | 52° | — | — |
| 1980 | 57° | 48° | 53° | — | — |
| 1979 | 63° | 52° | 57° | 0.76" | — |
| 1978 | 69° | 47° | 58° | — | — |
| 1977 | 71° | 43° | 57° | — | — |
| 1976 | 59° | 44° | 52° | — | — |
| 1975 | 59° | 51° | 55° | 0.3" | — |
| 1974 | 63° | 44° | 53° | — | — |
| 1973 | 58° | 45° | 51° | — | — |
| 1972 | 73° | 42° | 58° | — | — |
| 1971 | 50° | 42° | 46° | 0.41" | — |
55 years of data from SEATTLE UNIV OF WASHIN