Seattle August 15 Weather Records

Daily averages and all-time records for weather in Seattle, Washington for the date of August 15.
August 15 All-Time Records
1894–2024
Highest temperature 96 °F 2010
Lowest temperature 47 °F 1955
Lowest daily high 60 °F 1976
Highest daily low 68 °F 2023
Most precipitation 1.20 inches 1950
Most snow none -
August 15 Average Weather
1991–2020 1
Average high 77.0 °F
Average low 56.8 °F
Chance precipitation 15.7%
Chance snow 0%
Seattle August 15 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 95 68 0.00 0.0
2022 84 58 0.00 0.0
2021 82 60 0.00 0.0
2020 88 61 0.00 0.0
2019 78 60 0.00 0.0
2018 86 61 0.00 0.0
2017 78 55 0.00 0.0
2016 83 57 0.00 0.0
2015 71 57 0.00 0.0
2014 76 62 0.04 0.0
2013 70 63 0.07 0.0
2012 88 62 0.00 0.0
2011 74 57 0.00 0.0
2010 96 64 0.00 0.0
2009 68 52 0.00 0.0
2008 90 65 0.00 n/a
2007 85 58 0.00 n/a
2006 71 54 0.00 n/a
2005 86 58 0.00 n/a
2004 80 59 0.00 n/a
2003 74 59 0.00 n/a
2002 82 54 0.00 n/a
2001 74 54 0.00 n/a
2000 67 50 0.00 n/a
1999 61 55 0.17 n/a
1998 70 57 0.14 n/a
1997 76 56 0.00 n/a
1996 80 54 0.00 0.0
1995 66 53 0.00 0.0
1994 77 58 0.00 0.0
1993 69 58 0.01 0.0
1992 83 59 0.00 0.0
1991 87 58 0.00 0.0
1990 75 56 0.00 0.0
1989 73 55 0.00 0.0
1988 64 54 0.09 0.0
1987 66 55 0.00 0.0
1986 77 55 0.00 0.0
1985 83 55 0.00 0.0
1984 81 56 0.00 0.0
1983 74 54 0.00 0.0
1982 73 49 0.00 0.0
1981 80 56 0.00 0.0
1980 69 51 0.00 0.0
1979 76 55 0.00 0.0
1978 71 56 0.00 0.0
1977 85 57 0.00 0.0
1976 60 56 0.64 0.0
1975 70 55 0.00 0.0
1974 75 51 0.00 0.0
1973 62 52 0.00 0.0
1972 62 54 0.45 0.0
1971 77 56 0.00 0.0
1970 82 54 0.00 0.0
1969 68 56 0.01 0.0
1968 67 56 0.00 0.0
1967 92 60 0.00 0.0
1966 76 56 0.00 0.0
1965 81 57 0.00 0.0
1964 71 51 0.00 0.0
1963 76 55 0.00 0.0
1962 84 55 0.00 0.0
1961 72 57 0.02 0.0
1960 65 50 0.02 0.0
1959 72 57 0.00 0.0
1958 85 55 0.00 0.0
1957 74 51 0.00 0.0
1956 64 55 0.01 0.0
1955 71 47 0.00 0.0
1954 65 56 0.01 0.0
1953 68 56 0.00 0.0
1952 68 55 0.00 0.0
1951 79 51 0.00 0.0
1950 63 57 1.20 0.0
1949 78 50 0.00 0.0
1948 68 53 0.41 0.0
1947 68 58 0.00 0.0
1946 70 57 0.00 0.0
1945 84 56 0.00 0.0
1944 65 56 0.02 0.0
1943 83 57 0.00 0.0
1942 96 61 0.00 0.0
1941 76 58 0.00 0.0
1940 75 55 0.00 0.0
1939 72 57 0.00 0.0
1938 80 54 0.00 0.0
1937 70 53 0.00 0.0
1936 75 56 0.00 0.0
1935 68 53 0.00 0.0
1934 82 56 0.00 0.0
1933 90 64 0.00 0.0
1932 73 57 0.04 0.0
1931 70 52 0.00 0.0
1930 67 59 0.01 0.0
1929 73 57 0.00 0.0
1928 73 51 0.00 0.0
1927 87 59 0.00 0.0
1926 68 55 0.00 0.0
1925 68 53 0.00 0.0
1924 71 57 0.00 0.0
1923 85 58 0.00 0.0
1922 67 56 0.01 0.0
1921 66 55 0.00 0.0
1920 74 53 0.00 0.0
1919 77 57 0.00 0.0
1918 68 54 0.30 0.0
1917 79 57 0.00 0.0
1916 61 54 0.00 0.0
1915 73 54 0.00 0.0
1914 68 54 0.00 0.0
1913 66 53 0.00 0.0
1912 64 55 0.18 0.0
1911 69 54 0.00 0.0
1910 66 53 0.01 0.0
1909 66 51 0.00 0.0
1908 71 55 0.00 0.0
1907 75 51 0.00 0.0
1906 68 56 0.00 0.0
1905 70 54 0.00 0.0
1904 77 52 0.00 0.0
1903 64 54 0.00 0.0
1902 64 58 0.05 0.0
1901 87 60 0.00 0.0
1900 70 58 0.00 0.0
1899 64 54 0.02 0.0
1898 76 55 0.00 0.0
1897 89 61 0.00 0.0
1896 69 54 0.00 0.0
1895 60 53 0.00 0.0
1894 77 55 0.00 0.0
What's the all-time high for Seattle on 8/15?
For the date of Aug 15, the highest temperature ever reached in Seattle history is 96 °F which has happened 2 times, most recently in 2010.
Highest Temperatures in Seattle on August 15
Rank Temperature Year
1 96 °F 2010
1 96 °F 1942
3 95 °F 2023
4 92 °F 1967
5 90 °F 2008
5 90 °F 1933
7 89 °F 1897
8 88 °F 2020
8 88 °F 2012
10 87 °F 1901
10 87 °F 1991
10 87 °F 1927
What's the all-time low for Seattle on 8/15?
For the date of Aug 15, the lowest temperature ever reached in Seattle history is 47 °F which happened in 1955.
Lowest Temperatures in Seattle on August 15
Rank Temperature Year
1 47 °F 1955
2 49 °F 1982
3 50 °F 2000
3 50 °F 1960
3 50 °F 1949
6 51 °F 1964
6 51 °F 1974
6 51 °F 1907
6 51 °F 1909
6 51 °F 1957
6 51 °F 1980
6 51 °F 1951
6 51 °F 1928
Lowest High Temperatures in Seattle on August 15
Rank Temperature Year
1 60 °F 1976
1 60 °F 1895
3 61 °F 1916
3 61 °F 1999
5 62 °F 1972
5 62 °F 1973
7 63 °F 1950
8 64 °F 1903
8 64 °F 1912
8 64 °F 1988
8 64 °F 1899
8 64 °F 1902
8 64 °F 1956
What's the most it has ever rained in Seattle on 8/15?
For the date of Aug 15, the most precipitation ever recorded in Seattle history is 1.20 inches which happened in 1950.
All-Time Most Precipitation in Seattle on August 15
Rank Precipitation Year
1 1.20 inches 1950
2 0.64 inches 1976
3 0.45 inches 1972
4 0.41 inches 1948
5 0.30 inches 1918
6 0.18 inches 1912
7 0.17 inches 1999
8 0.14 inches 1998
9 0.09 inches 1988
10 0.07 inches 2013
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.
© H Brothers Inc, 2021–2024
Contact us | Privacy policy