Weather on June 15
Seattle, WA
55 Years of Data
Avg High
68°F
Avg Low
53°F
Warmest
2015
73°F avg
Coldest
1998
54°F avg
About This Date
June 15th in Seattle, WA typically brings mild summer weather, with average highs around 68°F and lows near 53°F. Over 55 years of records, the warmest June 15th was in 2015 (73°F average), while the coldest was 1998 (54°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 31% of June 15th dates historically, with the wettest June 15th recording 2.29" 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 June 15th in Seattle, WA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 71° | 51° | 61° | — | — |
| 2024 | 63° | 52° | 57° | 0.36" | — |
| 2023 | 72° | 48° | 60° | — | — |
| 2022 | 62° | 52° | 57° | — | — |
| 2021 | 69° | 55° | 62° | — | — |
| 2020 | 66° | 54° | 60° | 0.08" | — |
| 2019 | 75° | 54° | 64° | — | — |
| 2018 | 72° | 52° | 62° | — | — |
| 2017 | 62° | 54° | 58° | 2.29" | — |
| 2016 | 67° | 45° | 56° | — | — |
| 2015warmest | 86° | 61° | 73° | — | — |
| 2014 | 66° | 52° | 59° | 0.25" | — |
| 2013 | 75° | 55° | 65° | — | — |
| 2012 | 72° | 48° | 60° | — | — |
| 2011 | 62° | 49° | 55° | 0.25" | — |
| 2010 | 62° | 50° | 56° | 0.53" | — |
| 2009 | 74° | 57° | 65° | — | — |
| 2008 | 69° | 50° | 60° | — | — |
| 2007 | 66° | 52° | 59° | 0.46" | — |
| 2006 | 70° | 55° | 62° | — | — |
| 2005 | 67° | 52° | 59° | — | — |
| 2004 | 69° | 51° | 60° | — | — |
| 2003 | 74° | 55° | 64° | — | — |
| 2002 | 69° | 53° | 61° | — | — |
| 2001 | 65° | 52° | 58° | — | — |
| 2000 | 68° | 52° | 60° | — | — |
| 1999 | 72° | 56° | 64° | — | — |
| 1998coldest | 58° | 50° | 54° | 1.4" | — |
| 1997 | 70° | 58° | 64° | — | — |
| 1996 | 71° | 48° | 60° | — | — |
| 1995 | 70° | 54° | 62° | — | — |
| 1994 | 66° | 48° | 57° | — | — |
| 1993 | 71° | 56° | 63° | 0.08" | — |
| 1992 | 71° | 54° | 62° | — | — |
| 1991 | 65° | 51° | 58° | 0.38" | — |
| 1990 | 72° | 53° | 62° | — | — |
| 1989 | 64° | 55° | 60° | — | — |
| 1988 | 78° | 59° | 69° | — | — |
| 1987 | 64° | 51° | 58° | — | — |
| 1986 | 69° | 52° | 60° | 0.05" | — |
| 1985 | 66° | 51° | 59° | 0.36" | — |
| 1984 | 59° | 54° | 56° | — | — |
| 1983 | 66° | 55° | 61° | — | — |
| 1982 | 74° | 54° | 64° | — | — |
| 1981 | 66° | 53° | 60° | 0.33" | — |
| 1980 | 67° | 57° | 62° | — | — |
| 1979 | 68° | 54° | 61° | — | — |
| 1978 | 65° | 55° | 60° | 0.03" | — |
| 1977 | 66° | 54° | 60° | — | — |
| 1976 | 62° | 55° | 59° | 1.14" | — |
| 1975 | 58° | 52° | 55° | 0.51" | — |
| 1974 | 67° | 56° | 61° | — | — |
| 1973 | 65° | 51° | 58° | 0.08" | — |
| 1972 | 64° | 55° | 60° | — | — |
| 1971 | 64° | 52° | 58° | — | — |
55 years of data from SEATTLE URBAN SITE