Seattle August 31 Weather Records

Daily averages and all-time records for weather in Seattle, Washington for the date of August 31.
August 31 All-Time Records
1894–2024
Highest temperature 92 °F 1987
Lowest temperature 46 °F 1950
Lowest daily high 59 °F 2010
Highest daily low 61 °F 2017
Most precipitation 0.63 inches 1936
Most snow none -
August 31 Average Weather
1991–2020 1
Average high 74.5 °F
Average low 55.4 °F
Chance precipitation 19.8%
Chance snow 0%
Seattle August 31 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 69 59 0.02 0.0
2022 85 60 0.00 0.0
2021 67 52 0.00 0.0
2020 71 54 0.02 0.0
2019 78 60 0.00 0.0
2018 69 58 0.00 0.0
2017 75 61 0.00 0.0
2016 69 58 0.01 0.0
2015 66 61 0.00 0.0
2014 70 57 0.05 0.0
2013 82 57 0.00 0.0
2012 72 51 0.00 0.0
2011 69 52 0.00 0.0
2010 59 53 0.39 0.0
2009 70 56 0.00 0.0
2008 65 51 0.00 n/a
2007 71 58 0.00 n/a
2006 72 51 0.00 n/a
2005 75 57 0.00 n/a
2004 76 56 0.00 n/a
2003 77 57 0.00 n/a
2002 77 53 0.00 n/a
2001 71 59 0.00 n/a
2000 65 53 0.00 n/a
1999 65 50 0.00 n/a
1998 87 56 0.00 n/a
1997 76 55 0.00 n/a
1996 72 58 0.06 0.0
1995 77 54 0.00 0.0
1994 79 57 0.00 0.0
1993 79 53 0.00 0.0
1992 76 58 0.00 0.0
1991 61 55 0.37 0.0
1990 74 58 0.08 0.0
1989 69 54 0.00 0.0
1988 77 50 0.00 0.0
1987 92 61 0.00 0.0
1986 70 54 0.00 0.0
1985 70 51 0.00 0.0
1984 70 57 0.00 0.0
1983 71 60 0.16 0.0
1982 71 56 0.00 0.0
1981 63 53 0.12 0.0
1980 66 52 0.04 0.0
1979 74 57 0.00 0.0
1978 66 60 0.19 0.0
1977 71 51 0.00 0.0
1976 77 57 0.00 0.0
1975 67 53 0.00 0.0
1974 67 56 0.00 0.0
1973 64 49 0.00 0.0
1972 74 55 0.00 0.0
1971 62 53 0.08 0.0
1970 67 59 0.00 0.0
1969 80 54 0.00 0.0
1968 79 57 0.00 0.0
1967 79 58 0.00 0.0
1966 72 48 0.00 0.0
1965 81 52 0.00 0.0
1964 65 47 0.00 0.0
1963 67 57 0.00 0.0
1962 79 51 0.00 0.0
1961 72 56 0.56 0.0
1960 65 50 0.02 0.0
1959 62 51 0.42 0.0
1958 77 57 0.05 0.0
1957 74 51 0.00 0.0
1956 80 47 0.00 0.0
1955 64 51 0.00 0.0
1954 73 57 0.00 0.0
1953 69 57 0.01 0.0
1952 72 48 0.00 0.0
1951 70 47 0.00 0.0
1950 79 46 0.00 0.0
1949 75 55 0.00 0.0
1948 73 51 0.00 0.0
1947 73 55 0.00 0.0
1946 61 56 0.08 0.0
1945 72 54 0.00 0.0
1944 64 60 0.13 0.0
1943 66 55 0.09 0.0
1942 81 55 0.00 0.0
1941 64 58 0.34 0.0
1940 71 58 0.00 0.0
1939 65 57 0.05 0.0
1938 70 55 0.00 0.0
1937 70 56 0.00 0.0
1936 68 53 0.63 0.0
1935 73 58 0.00 0.0
1934 71 52 0.00 0.0
1933 66 54 0.00 0.0
1932 64 55 0.01 0.0
1931 69 54 0.00 0.0
1930 72 53 0.00 0.0
1929 74 60 0.02 0.0
1928 82 55 0.00 0.0
1927 61 55 0.22 0.0
1926 66 54 0.03 0.0
1925 69 52 0.00 0.0
1924 74 51 0.00 0.0
1923 72 54 0.00 0.0
1922 65 56 0.07 0.0
1921 62 53 0.05 0.0
1920 75 52 0.00 0.0
1919 65 53 0.04 0.0
1918 84 58 0.00 0.0
1917 76 60 0.00 0.0
1916 79 56 0.00 0.0
1915 71 56 0.05 0.0
1914 69 48 0.00 0.0
1913 60 51 0.00 0.0
1912 59 52 0.24 0.0
1911 73 56 0.00 0.0
1910 61 53 0.06 0.0
1909 74 52 0.00 0.0
1908 68 46 0.00 0.0
1907 68 52 0.00 0.0
1906 66 57 0.00 0.0
1905 68 47 0.00 0.0
1904 70 51 0.00 0.0
1903 66 55 0.00 0.0
1902 71 58 0.00 0.0
1901 76 60 0.00 0.0
1900 68 58 0.00 0.0
1899 67 51 0.00 0.0
1898 62 54 0.08 0.0
1897 67 57 0.24 0.0
1896 64 58 0.00 0.0
1895 74 54 0.00 0.0
1894 71 54 0.00 0.0
What's the all-time high for Seattle on 8/31?
For the date of Aug 31, the highest temperature ever reached in Seattle history is 92 °F which happened in 1987.
Highest Temperatures in Seattle on August 31
Rank Temperature Year
1 92 °F 1987
2 87 °F 1998
3 85 °F 2022
4 84 °F 1918
5 82 °F 2013
5 82 °F 1928
7 81 °F 1942
7 81 °F 1965
9 80 °F 1969
9 80 °F 1956
What's the all-time low for Seattle on 8/31?
For the date of Aug 31, the lowest temperature ever reached in Seattle history is 46 °F which has happened 2 times, most recently in 1950.
Lowest Temperatures in Seattle on August 31
Rank Temperature Year
1 46 °F 1950
1 46 °F 1908
3 47 °F 1956
3 47 °F 1951
3 47 °F 1905
3 47 °F 1964
7 48 °F 1914
7 48 °F 1952
7 48 °F 1966
10 49 °F 1973
Lowest High Temperatures in Seattle on August 31
Rank Temperature Year
1 59 °F 1912
1 59 °F 2010
3 60 °F 1913
4 61 °F 1927
4 61 °F 1910
4 61 °F 1946
4 61 °F 1991
8 62 °F 1971
8 62 °F 1921
8 62 °F 1959
8 62 °F 1898
What's the most it has ever rained in Seattle on 8/31?
For the date of Aug 31, the most precipitation ever recorded in Seattle history is 0.63 inches which happened in 1936.
All-Time Most Precipitation in Seattle on August 31
Rank Precipitation Year
1 0.63 inches 1936
2 0.56 inches 1961
3 0.42 inches 1959
4 0.39 inches 2010
5 0.37 inches 1991
6 0.34 inches 1941
7 0.24 inches 1897
7 0.24 inches 1912
9 0.22 inches 1927
10 0.19 inches 1978
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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