Seattle August 17 Weather Records

Daily averages and all-time records for weather in Seattle, Washington for the date of August 17.
August 17 All-Time Records
1894–2024
Highest temperature 96 °F 1977
Lowest temperature 45 °F 1951
Lowest daily high 60 °F 1924
Highest daily low 64 °F 2020
Most precipitation 0.93 inches 1995
Most snow none -
August 17 Average Weather
1991–2020 1
Average high 76.7 °F
Average low 56.8 °F
Chance precipitation 16.1%
Chance snow 0%
Seattle August 17 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 91 62 0.00 0.0
2022 90 63 0.00 0.0
2021 68 53 0.00 0.0
2020 88 64 0.00 0.0
2019 75 60 0.00 0.0
2018 74 54 0.00 0.0
2017 75 59 0.00 0.0
2016 80 56 0.00 0.0
2015 81 57 0.00 0.0
2014 82 59 0.00 0.0
2013 78 63 0.00 0.0
2012 91 61 0.00 0.0
2011 77 53 0.00 0.0
2010 89 57 0.00 0.0
2009 82 58 0.00 0.0
2008 85 62 0.00 n/a
2007 76 55 0.00 n/a
2006 72 54 0.00 n/a
2005 73 57 0.05 n/a
2004 81 58 0.00 n/a
2003 81 64 0.00 n/a
2002 78 54 0.00 n/a
2001 70 55 0.00 n/a
2000 73 50 0.00 n/a
1999 79 58 0.00 n/a
1998 69 53 0.00 n/a
1997 87 59 0.00 n/a
1996 71 55 0.00 0.0
1995 64 51 0.93 0.0
1994 78 57 0.00 0.0
1993 73 57 0.00 0.0
1992 86 60 0.00 0.0
1991 86 58 0.00 0.0
1990 77 58 0.01 0.0
1989 77 54 0.00 0.0
1988 72 53 0.00 0.0
1987 75 49 0.00 0.0
1986 83 54 0.00 0.0
1985 89 59 0.00 0.0
1984 79 60 0.00 0.0
1983 76 57 0.00 0.0
1982 75 56 0.00 0.0
1981 83 55 0.00 0.0
1980 63 53 0.11 0.0
1979 76 59 0.11 0.0
1978 71 54 0.00 0.0
1977 96 62 0.00 0.0
1976 72 54 0.00 0.0
1975 77 60 0.08 0.0
1974 62 51 0.00 0.0
1973 67 49 0.00 0.0
1972 67 55 0.18 0.0
1971 78 57 0.00 0.0
1970 72 56 0.00 0.0
1969 76 52 0.00 0.0
1968 69 56 0.02 0.0
1967 89 61 0.00 0.0
1966 76 52 0.00 0.0
1965 83 57 0.00 0.0
1964 73 54 0.00 0.0
1963 76 51 0.00 0.0
1962 72 55 0.06 0.0
1961 78 54 0.00 0.0
1960 74 58 0.00 0.0
1959 70 55 0.00 0.0
1958 76 53 0.00 0.0
1957 69 56 0.00 0.0
1956 78 50 0.00 0.0
1955 76 48 0.00 0.0
1954 68 55 0.00 0.0
1953 76 50 0.00 0.0
1952 70 51 0.00 0.0
1951 77 45 0.00 0.0
1950 82 56 0.00 0.0
1949 77 54 0.00 0.0
1948 74 55 0.07 0.0
1947 70 55 0.00 0.0
1946 81 58 0.00 0.0
1945 72 53 0.00 0.0
1944 65 55 0.00 0.0
1943 70 55 0.00 0.0
1942 78 56 0.00 0.0
1941 84 58 0.00 0.0
1940 86 60 0.00 0.0
1939 76 55 0.00 0.0
1938 72 57 0.08 0.0
1937 81 54 0.00 0.0
1936 78 54 0.00 0.0
1935 61 54 0.01 0.0
1934 68 58 0.00 0.0
1933 77 58 0.00 0.0
1932 72 56 0.00 0.0
1931 77 54 0.01 0.0
1930 73 57 0.00 0.0
1929 76 55 0.00 0.0
1928 73 51 0.00 0.0
1927 89 61 0.00 0.0
1926 66 59 0.43 0.0
1925 73 54 0.00 0.0
1924 60 55 0.21 0.0
1923 78 61 0.00 0.0
1922 80 58 0.00 0.0
1921 64 57 0.55 0.0
1920 63 50 0.00 0.0
1919 71 55 0.00 0.0
1918 69 55 0.00 0.0
1917 70 56 0.00 0.0
1916 61 51 0.03 0.0
1915 72 58 0.00 0.0
1914 66 52 0.00 0.0
1913 62 53 0.22 0.0
1912 64 52 0.06 0.0
1911 78 51 0.00 0.0
1910 76 55 0.00 0.0
1909 76 55 0.00 0.0
1908 82 62 0.00 0.0
1907 68 52 0.10 0.0
1906 69 52 0.00 0.0
1905 67 56 0.01 0.0
1904 81 54 0.00 0.0
1903 78 56 0.00 0.0
1902 65 53 0.10 0.0
1901 77 50 0.00 0.0
1900 66 55 0.00 0.0
1899 70 58 0.08 0.0
1898 69 55 0.00 0.0
1897 74 61 0.00 0.0
1896 68 58 0.00 0.0
1895 63 50 0.00 0.0
1894 79 56 0.00 0.0
What's the all-time high for Seattle on 8/17?
For the date of Aug 17, the highest temperature ever reached in Seattle history is 96 °F which happened in 1977.
Highest Temperatures in Seattle on August 17
Rank Temperature Year
1 96 °F 1977
2 91 °F 2012
2 91 °F 2023
4 90 °F 2022
5 89 °F 2010
5 89 °F 1985
5 89 °F 1967
5 89 °F 1927
9 88 °F 2020
10 87 °F 1997
What's the all-time low for Seattle on 8/17?
For the date of Aug 17, the lowest temperature ever reached in Seattle history is 45 °F which happened in 1951.
Lowest Temperatures in Seattle on August 17
Rank Temperature Year
1 45 °F 1951
2 48 °F 1955
3 49 °F 1973
3 49 °F 1987
5 50 °F 1901
5 50 °F 1953
5 50 °F 1956
5 50 °F 1895
5 50 °F 1920
5 50 °F 2000
Lowest High Temperatures in Seattle on August 17
Rank Temperature Year
1 60 °F 1924
2 61 °F 1916
2 61 °F 1935
4 62 °F 1913
4 62 °F 1974
6 63 °F 1895
6 63 °F 1920
6 63 °F 1980
9 64 °F 1912
9 64 °F 1921
9 64 °F 1995
What's the most it has ever rained in Seattle on 8/17?
For the date of Aug 17, the most precipitation ever recorded in Seattle history is 0.93 inches which happened in 1995.
All-Time Most Precipitation in Seattle on August 17
Rank Precipitation Year
1 0.93 inches 1995
2 0.55 inches 1921
3 0.43 inches 1926
4 0.22 inches 1913
5 0.21 inches 1924
6 0.18 inches 1972
7 0.11 inches 1980
7 0.11 inches 1979
9 0.10 inches 1902
9 0.10 inches 1907
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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