Seattle August 9 Weather Records

Daily averages and all-time records for weather in Seattle, Washington for the date of August 9.
August 9 All-Time Records
1894–2024
Highest temperature 99 °F 1981
Lowest temperature 47 °F 1950
Lowest daily high 60 °F 1918
Highest daily low 68 °F 1981
Most precipitation 0.61 inches 1991
Most snow none -
August 9 Average Weather
1991–2020 1
Average high 77.7 °F
Average low 57.1 °F
Chance precipitation 12.8%
Chance snow 0%
Seattle August 9 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 77 60 0.00 0.0
2022 79 59 0.00 0.0
2021 79 55 0.00 0.0
2020 77 53 0.00 0.0
2019 76 61 0.00 0.0
2018 93 60 0.00 0.0
2017 91 61 0.00 0.0
2016 71 58 0.00 0.0
2015 83 59 0.00 0.0
2014 81 60 0.00 0.0
2013 83 58 0.00 0.0
2012 76 58 0.00 0.0
2011 70 55 0.00 0.0
2010 67 56 0.00 0.0
2009 76 59 0.00 0.0
2008 69 55 0.29 n/a
2007 71 55 0.00 n/a
2006 76 59 0.01 n/a
2005 74 54 0.00 n/a
2004 92 64 0.00 n/a
2003 73 58 0.14 n/a
2002 82 56 0.00 n/a
2001 87 60 0.00 n/a
2000 70 54 0.00 n/a
1999 78 58 0.00 n/a
1998 79 53 0.00 n/a
1997 83 60 0.00 n/a
1996 86 57 0.00 0.0
1995 76 50 0.00 0.0
1994 76 57 0.09 0.0
1993 73 58 0.00 0.0
1992 77 52 0.00 0.0
1991 66 57 0.61 0.0
1990 86 55 0.00 0.0
1989 73 55 0.00 0.0
1988 75 56 0.00 0.0
1987 81 57 0.00 0.0
1986 88 57 0.00 0.0
1985 70 55 0.03 0.0
1984 82 64 0.00 0.0
1983 75 56 0.00 0.0
1982 62 54 0.01 0.0
1981 99 68 0.00 0.0
1980 83 54 0.00 0.0
1979 82 52 0.00 0.0
1978 85 58 0.00 0.0
1977 91 58 0.00 0.0
1976 72 58 0.00 0.0
1975 78 51 0.00 0.0
1974 82 52 0.00 0.0
1973 77 56 0.00 0.0
1972 83 58 0.00 0.0
1971 94 62 0.00 0.0
1970 74 52 0.00 0.0
1969 78 55 0.00 0.0
1968 85 57 0.00 0.0
1967 91 61 0.00 0.0
1966 74 58 0.00 0.0
1965 79 60 0.00 0.0
1964 70 56 0.01 0.0
1963 73 60 0.00 0.0
1962 74 50 0.00 0.0
1961 77 55 0.00 0.0
1960 99 59 0.00 0.0
1959 78 51 0.00 0.0
1958 79 53 0.00 0.0
1957 73 56 0.61 0.0
1956 75 51 0.00 0.0
1955 73 48 0.00 0.0
1954 70 51 0.00 0.0
1953 70 53 0.19 0.0
1952 88 56 0.00 0.0
1951 66 55 0.00 0.0
1950 77 47 0.00 0.0
1949 74 51 0.00 0.0
1948 71 55 0.00 0.0
1947 72 57 0.01 0.0
1946 86 56 0.00 0.0
1945 75 60 0.00 0.0
1944 67 56 0.01 0.0
1943 77 55 0.00 0.0
1942 75 57 0.00 0.0
1941 82 59 0.00 0.0
1940 71 59 0.00 0.0
1939 88 59 0.00 0.0
1938 75 53 0.00 0.0
1937 72 57 0.00 0.0
1936 79 55 0.00 0.0
1935 82 56 0.00 0.0
1934 77 54 0.00 0.0
1933 76 56 0.00 0.0
1932 64 54 0.14 0.0
1931 91 58 0.00 0.0
1930 69 58 0.00 0.0
1929 79 53 0.00 0.0
1928 80 59 0.00 0.0
1927 75 54 0.00 0.0
1926 74 56 0.00 0.0
1925 80 60 0.00 0.0
1924 68 52 0.00 0.0
1923 74 55 0.00 0.0
1922 69 52 0.00 0.0
1921 66 58 0.00 0.0
1920 82 60 0.00 0.0
1919 73 49 0.00 0.0
1918 60 55 0.05 0.0
1917 63 54 0.00 0.0
1916 67 56 0.00 0.0
1915 79 57 0.00 0.0
1914 73 52 0.00 0.0
1913 80 58 0.00 0.0
1912 70 59 0.02 0.0
1911 71 51 0.00 0.0
1910 72 53 0.00 0.0
1909 66 52 0.00 0.0
1908 75 54 0.00 0.0
1907 69 53 0.00 0.0
1906 77 54 0.00 0.0
1905 71 57 0.00 0.0
1904 61 54 0.00 0.0
1903 76 53 0.00 0.0
1902 85 59 0.00 0.0
1901 72 52 0.00 0.0
1900 71 58 0.00 0.0
1899 65 53 0.28 0.0
1898 79 58 0.00 0.0
1897 77 59 0.00 0.0
1896 69 57 0.00 0.0
1895 78 50 0.00 0.0
1894 71 52 0.00 0.0
What's the all-time high for Seattle on 8/9?
For the date of Aug 9, the highest temperature ever reached in Seattle history is 99 °F which has happened 2 times, most recently in 1981.
Highest Temperatures in Seattle on August 9
Rank Temperature Year
1 99 °F 1960
1 99 °F 1981
3 94 °F 1971
4 93 °F 2018
5 92 °F 2004
6 91 °F 2017
6 91 °F 1977
6 91 °F 1967
6 91 °F 1931
10 88 °F 1939
10 88 °F 1986
10 88 °F 1952
What's the all-time low for Seattle on 8/9?
For the date of Aug 9, the lowest temperature ever reached in Seattle history is 47 °F which happened in 1950.
Lowest Temperatures in Seattle on August 9
Rank Temperature Year
1 47 °F 1950
2 48 °F 1955
3 49 °F 1919
4 50 °F 1962
4 50 °F 1995
4 50 °F 1895
7 51 °F 1911
7 51 °F 1954
7 51 °F 1949
7 51 °F 1956
7 51 °F 1959
7 51 °F 1975
Lowest High Temperatures in Seattle on August 9
Rank Temperature Year
1 60 °F 1918
2 61 °F 1904
3 62 °F 1982
4 63 °F 1917
5 64 °F 1932
6 65 °F 1899
7 66 °F 1991
7 66 °F 1909
7 66 °F 1951
7 66 °F 1921
What's the most it has ever rained in Seattle on 8/9?
For the date of Aug 9, the most precipitation ever recorded in Seattle history is 0.61 inches which has happened 2 times, most recently in 1991.
All-Time Most Precipitation in Seattle on August 9
Rank Precipitation Year
1 0.61 inches 1957
1 0.61 inches 1991
3 0.29 inches 2008
4 0.28 inches 1899
5 0.19 inches 1953
6 0.14 inches 1932
6 0.14 inches 2003
8 0.09 inches 1994
9 0.05 inches 1918
10 0.03 inches 1985
Weather Station Details
Years Station Coordinates
1948–2024 Seattle Tacoma International Airport location
1894–1947 University of Washington location