King County, WA
: September 2026 so far averaged 55.9°F in King County, WA, the coldest 1 to 29 September in the county average since 2016, tied 25th coldest of 76 (with 1958 and 1954) (county average from NOAA gridded data, 1951 to 2026).
Last updated . This page normally updates every day; the latest update is late.
- Tuesday 29 September 2026: a high of 61.7°F averaged over King County, WA, the coldest 29 September day in the county average since 2024, tied 33rd coldest of 76 (with 1979) (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: a low of 41.7°F averaged over King County, WA, the coldest 29 September night in the county average since 2023, 18th coldest of 76 (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: 0.04 in of precipitation averaged over King County, WA, the wettest 29 September in the county average since 2023, tied 24th wettest of 76 (with 2000 and 1978) (county average from NOAA gridded data, 1951 to 2026).
The month
- August 2026 averaged 63.8°F in King County, WA, the warmest August in the county average since 2025, tied 16th warmest of 132 (with 2015 and 1958) (county average from NOAA's monthly county data, 1895 to 2026).
- Days of the month without a value
- 0
Every year on this date
- Above the normal range
- In it
- Below it
- Normal range
- This year and the extreme
Every year as a table
| Year | High, °F | Low, °F |
|---|---|---|
| 2026 | 61.7 | 41.7 |
| 2025 | 70.6 | 49.9 |
| 2024 | 61.6 | 43.1 |
| 2023 | 52.4 | 41.6 |
| 2022 | 62.5 | 51.2 |
| 2021 | 53.4 | 45.2 |
| 2020 | 72 | 48.6 |
| 2019 | 50.2 | 38.3 |
| 2018 | 72.5 | 50.9 |
| 2017 | 77.2 | 52.4 |
| 2016 | 63.9 | 44.3 |
| 2015 | 66.4 | 41 |
| 2014 | 65.9 | 48.1 |
| 2013 | 54.6 | 44.7 |
| 2012 | 70.8 | 51.2 |
| 2011 | 61.6 | 42.3 |
| 2010 | 63.8 | 48 |
| 2009 | 60.3 | 40 |
| 2008 | 68.9 | 44.6 |
| 2007 | 51 | 39.3 |
| 2006 | 75.3 | 49.6 |
| 2005 | 67.9 | 42.6 |
| 2004 | 67.8 | 48.1 |
| 2003 | 82.2 | 54.7 |
| 2002 | 68.8 | 45.2 |
| 2001 | 63 | 42.5 |
| 2000 | 63.6 | 46.9 |
| 1999 | 65.6 | 38.5 |
| 1998 | 70.1 | 45.8 |
| 1997 | 62.5 | 49.2 |
| 1996 | 70 | 47 |
| 1995 | 55.5 | 47.6 |
| 1994 | 71.9 | 52.2 |
| 1993 | 75.7 | 48.6 |
| 1992 | 71.9 | 44 |
| 1991 | 59.3 | 47.3 |
| 1990 | 72.1 | 49.8 |
| 1989 | 73 | 48.3 |
| 1988 | 66.9 | 43.5 |
| 1987 | 67.5 | 42 |
| 1986 | 52.8 | 46.5 |
| 1985 | 62.6 | 37.4 |
| 1984 | 64.6 | 39.8 |
| 1983 | 56.2 | 32.8 |
| 1982 | 50.8 | 39.2 |
| 1981 | 53.6 | 44.8 |
| 1980 | 61.2 | 49.2 |
| 1979 | 61.7 | 42.9 |
| 1978 | 60.4 | 48.1 |
| 1977 | 52.5 | 44.6 |
| 1976 | 69.2 | 50.2 |
| 1975 | 59.4 | 42.7 |
| 1974 | 58.1 | 37.3 |
| 1973 | 74 | 48.6 |
| 1972 | 51.1 | 38.2 |
| 1971 | 48.2 | 39 |
| 1970 | 76.6 | 46.6 |
| 1969 | 57.5 | 51.7 |
| 1968 | 67.2 | 42.5 |
| 1967 | 74.2 | 48.1 |
| 1966 | 70.1 | 52.7 |
| 1965 | 56.3 | 41.2 |
| 1964 | 57.4 | 44.2 |
| 1963 | 75.5 | 53.8 |
| 1962 | 51.5 | 45.9 |
| 1961 | 49.7 | 38.8 |
| 1960 | 69 | 44.3 |
| 1959 | 56.8 | 41.6 |
| 1958 | 64.8 | 46 |
| 1957 | 69 | 44.5 |
| 1956 | 53.4 | 45.3 |
| 1955 | 49.9 | 42.3 |
| 1954 | 57.5 | 38.4 |
| 1953 | 51.6 | 42.1 |
| 1952 | 67.2 | 47.6 |
| 1951 | 57.1 | 49.2 |
Nearby
Seattle Tacoma, WA 23.5 mi, the nearest city with its own station