Seattle June 21 Weather Records

Daily averages and all-time records for weather in Seattle, Washington for the date of June 21.
June 21 All-Time Records
1894–2024
Highest temperature 89 °F 2021
Lowest temperature 45 °F 1960
Lowest daily high 57 °F 1981
Highest daily low 64 °F 1902
Most precipitation 1.00 inches 1967
Most snow none -
June 21 Average Weather
1991–2020 1
Average high 71.0 °F
Average low 53.2 °F
Chance precipitation 28.6%
Chance snow 0%
Seattle June 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 71 51 0.00 0.0
2022 76 50 0.00 0.0
2021 89 61 0.00 0.0
2020 71 56 0.00 0.0
2019 72 54 0.00 0.0
2018 69 58 0.00 0.0
2017 69 53 0.00 0.0
2016 71 54 0.00 0.0
2015 78 57 0.00 0.0
2014 72 51 0.00 0.0
2013 69 54 0.01 0.0
2012 75 53 0.00 0.0
2011 78 54 0.00 0.0
2010 63 51 0.00 0.0
2009 65 51 0.04 0.0
2008 77 56 0.00 n/a
2007 75 56 0.00 n/a
2006 69 52 0.00 n/a
2005 70 56 0.08 n/a
2004 88 59 0.00 n/a
2003 62 48 0.22 n/a
2002 83 55 0.00 n/a
2001 77 54 0.00 n/a
2000 69 56 0.00 n/a
1999 61 53 0.09 n/a
1998 82 54 0.00 n/a
1997 59 51 0.09 n/a
1996 68 50 0.00 0.0
1995 67 52 0.00 0.0
1994 78 54 0.00 0.0
1993 62 49 0.00 0.0
1992 89 61 0.00 0.0
1991 65 49 0.00 0.0
1990 84 57 0.00 0.0
1989 69 49 0.00 0.0
1988 81 55 0.00 0.0
1987 64 51 0.05 0.0
1986 73 50 0.00 0.0
1985 72 49 0.00 0.0
1984 58 53 0.47 0.0
1983 71 51 0.00 0.0
1982 74 54 0.00 0.0
1981 57 52 0.07 0.0
1980 67 53 0.00 0.0
1979 72 54 0.00 0.0
1978 71 53 0.00 0.0
1977 73 58 0.00 0.0
1976 68 51 0.00 0.0
1975 63 49 0.00 0.0
1974 79 53 0.00 0.0
1973 86 59 0.00 0.0
1972 61 50 0.03 0.0
1971 80 53 0.00 0.0
1970 84 61 0.00 0.0
1969 68 54 0.00 0.0
1968 67 49 0.05 0.0
1967 57 53 1.00 0.0
1966 64 49 0.00 0.0
1965 70 50 0.00 0.0
1964 69 52 0.00 0.0
1963 65 50 0.00 0.0
1962 80 54 0.00 0.0
1961 72 51 0.00 0.0
1960 64 45 0.00 0.0
1959 64 55 0.01 0.0
1958 84 58 0.00 0.0
1957 63 49 0.00 0.0
1956 68 49 0.00 0.0
1955 76 50 0.00 0.0
1954 71 52 0.00 0.0
1953 63 48 0.00 0.0
1952 63 48 0.06 0.0
1951 83 46 0.00 0.0
1950 62 49 0.07 0.0
1949 74 49 0.00 0.0
1948 63 50 0.01 0.0
1947 73 50 0.00 0.0
1946 60 52 0.10 0.0
1945 61 53 0.04 0.0
1944 65 52 0.00 0.0
1943 62 52 0.11 0.0
1942 72 51 0.00 0.0
1941 70 55 0.00 0.0
1940 69 52 0.00 0.0
1939 78 52 0.00 0.0
1938 85 57 0.00 0.0
1937 71 57 0.18 0.0
1936 79 56 0.00 0.0
1935 75 52 0.00 0.0
1934 66 54 0.00 0.0
1933 69 54 0.00 0.0
1932 66 56 0.00 0.0
1931 63 54 0.18 0.0
1930 60 52 0.22 0.0
1929 70 55 0.00 0.0
1928 67 57 0.00 0.0
1927 76 57 0.03 0.0
1926 77 52 0.00 0.0
1925 83 54 0.00 0.0
1924 61 50 0.00 0.0
1923 66 53 0.00 0.0
1922 64 54 0.00 0.0
1921 67 55 0.00 0.0
1920 73 52 0.06 0.0
1919 70 53 0.00 0.0
1918 81 59 0.02 0.0
1917 64 53 0.00 0.0
1916 60 49 0.00 0.0
1915 73 51 0.00 0.0
1914 59 46 0.13 0.0
1913 70 52 0.29 0.0
1912 59 48 0.01 0.0
1911 67 52 0.00 0.0
1910 60 48 0.02 0.0
1909 66 49 0.00 0.0
1908 63 49 0.00 0.0
1907 65 47 0.01 0.0
1906 63 50 0.11 0.0
1905 66 52 0.00 0.0
1904 60 48 0.01 0.0
1903 65 55 0.00 0.0
1902 82 64 0.00 0.0
1901 68 54 0.00 0.0
1900 65 55 0.43 0.0
1899 66 49 0.00 0.0
1898 60 50 0.00 0.0
1897 72 56 0.00 0.0
1896 76 52 0.00 0.0
1895 73 55 0.00 0.0
1894 68 52 0.00 0.0
What's the all-time high for Seattle on 6/21?
For the date of Jun 21, the highest temperature ever reached in Seattle history is 89 °F which has happened 2 times, most recently in 2021.
Highest Temperatures in Seattle on June 21
Rank Temperature Year
1 89 °F 2021
1 89 °F 1992
3 88 °F 2004
4 86 °F 1973
5 85 °F 1938
6 84 °F 1970
6 84 °F 1990
6 84 °F 1958
9 83 °F 2002
9 83 °F 1925
9 83 °F 1951
What's the all-time low for Seattle on 6/21?
For the date of Jun 21, the lowest temperature ever reached in Seattle history is 45 °F which happened in 1960.
Lowest Temperatures in Seattle on June 21
Rank Temperature Year
1 45 °F 1960
2 46 °F 1951
2 46 °F 1914
4 47 °F 1907
5 48 °F 2003
5 48 °F 1953
5 48 °F 1952
5 48 °F 1904
5 48 °F 1910
5 48 °F 1912
Lowest High Temperatures in Seattle on June 21
Rank Temperature Year
1 57 °F 1967
1 57 °F 1981
3 58 °F 1984
4 59 °F 1912
4 59 °F 1914
4 59 °F 1997
7 60 °F 1946
7 60 °F 1898
7 60 °F 1916
7 60 °F 1930
7 60 °F 1910
7 60 °F 1904
What's the most it has ever rained in Seattle on 6/21?
For the date of Jun 21, the most precipitation ever recorded in Seattle history is 1.00 inches which happened in 1967.
All-Time Most Precipitation in Seattle on June 21
Rank Precipitation Year
1 1.00 inches 1967
2 0.47 inches 1984
3 0.43 inches 1900
4 0.29 inches 1913
5 0.22 inches 2003
5 0.22 inches 1930
7 0.18 inches 1931
7 0.18 inches 1937
9 0.13 inches 1914
10 0.11 inches 1943
10 0.11 inches 1906
Weather Station Details
Years Station Coordinates
1948–2024 Seattle Tacoma International Airport location
1894–1947 University of Washington location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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