Seattle May 18 Weather Records

Daily averages and all-time records for weather in Seattle, Washington for the date of May 18.
May 18 All-Time Records
1894–2024
Highest temperature 89 °F 1958
Lowest temperature 37 °F 2003
Lowest daily high 51 °F 1899
Highest daily low 57 °F 1926
Most precipitation 0.72 inches 2005
Most snow none -
May 18 Average Weather
1991–2020 1
Average high 65.8 °F
Average low 48.6 °F
Chance precipitation 35.3%
Chance snow 0%
Seattle May 18 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 76 55 0.00 0.0
2022 57 46 0.24 0.0
2021 61 45 0.07 0.0
2020 67 50 0.00 0.0
2019 71 51 0.00 0.0
2018 66 53 0.00 0.0
2017 64 48 0.00 0.0
2016 65 51 0.00 0.0
2015 78 54 0.00 0.0
2014 68 51 0.00 0.0
2013 62 52 0.00 0.0
2012 60 46 0.00 0.0
2011 66 46 0.00 0.0
2010 63 50 0.14 0.0
2009 66 48 0.45 0.0
2008 74 53 0.00 n/a
2007 71 48 0.01 n/a
2006 79 50 0.00 n/a
2005 64 52 0.72 n/a
2004 73 51 0.00 n/a
2003 60 37 0.00 n/a
2002 64 49 0.01 n/a
2001 61 45 0.00 n/a
2000 62 48 0.40 n/a
1999 59 48 0.04 n/a
1998 63 49 0.00 n/a
1997 72 46 0.00 n/a
1996 60 49 0.21 0.0
1995 65 48 0.00 0.0
1994 69 48 0.00 0.0
1993 75 55 0.00 0.0
1992 71 52 0.00 0.0
1991 55 48 0.08 0.0
1990 60 46 0.00 0.0
1989 58 42 0.05 0.0
1988 59 46 0.08 0.0
1987 59 44 0.00 0.0
1986 63 53 0.05 0.0
1985 64 47 0.00 0.0
1984 63 48 0.00 0.0
1983 64 51 0.00 0.0
1982 58 45 0.06 0.0
1981 59 51 0.20 0.0
1980 70 49 0.00 0.0
1979 69 51 0.00 0.0
1978 68 48 0.00 0.0
1977 62 48 0.00 0.0
1976 66 45 0.00 0.0
1975 59 44 0.03 0.0
1974 61 47 0.00 0.0
1973 65 53 0.00 0.0
1972 61 44 0.05 0.0
1971 61 42 0.10 0.0
1970 66 44 0.00 0.0
1969 71 52 0.00 0.0
1968 79 50 0.00 0.0
1967 70 50 0.00 0.0
1966 69 42 0.00 0.0
1965 66 42 0.00 0.0
1964 70 48 0.00 0.0
1963 86 54 0.00 0.0
1962 59 44 0.00 0.0
1961 79 49 0.00 0.0
1960 58 41 0.00 0.0
1959 60 40 0.00 0.0
1958 89 56 0.00 0.0
1957 67 50 0.35 0.0
1956 85 54 0.00 0.0
1955 70 52 0.00 0.0
1954 75 46 0.00 0.0
1953 58 47 0.47 0.0
1952 67 49 0.00 0.0
1951 61 45 0.00 0.0
1950 55 37 0.00 0.0
1949 78 48 0.00 0.0
1948 60 45 0.01 0.0
1947 61 51 0.03 0.0
1946 76 50 0.00 0.0
1945 63 50 0.06 0.0
1944 62 50 0.00 0.0
1943 70 45 0.00 0.0
1942 71 49 0.06 0.0
1941 61 43 0.00 0.0
1940 77 53 0.00 0.0
1939 53 47 0.10 0.0
1938 71 46 0.00 0.0
1937 62 49 0.00 0.0
1936 75 52 0.17 0.0
1935 64 45 0.01 0.0
1934 66 47 0.03 0.0
1933 59 46 0.00 0.0
1932 64 52 0.00 0.0
1931 59 44 0.00 0.0
1930 55 46 0.02 0.0
1929 70 48 0.00 0.0
1928 72 50 0.00 0.0
1927 54 43 0.26 0.0
1926 73 57 0.01 0.0
1925 72 53 0.00 0.0
1924 58 49 0.00 0.0
1923 58 47 0.05 0.0
1922 52 45 0.06 0.0
1921 56 49 0.00 0.0
1920 57 45 0.03 0.0
1919 63 49 0.02 0.0
1918 55 45 0.00 0.0
1917 65 42 0.00 0.0
1916 58 49 0.02 0.0
1915 61 52 0.00 0.0
1914 65 45 0.00 0.0
1913 62 48 0.00 0.0
1912 72 48 0.00 0.0
1911 58 46 0.22 0.0
1910 63 48 0.00 0.0
1909 64 44 0.00 0.0
1908 57 47 0.38 0.0
1907 63 52 0.02 0.0
1906 60 49 0.16 0.0
1905 62 42 0.00 0.0
1904 57 49 0.01 0.0
1903 57 44 0.04 0.0
1902 58 42 0.23 0.0
1901 61 42 0.01 0.0
1900 68 48 0.00 0.0
1899 51 44 0.12 0.0
1898 58 46 0.07 0.0
1897 70 52 0.00 0.0
1896 63 47 0.01 0.0
1895 65 50 0.00 0.0
1894 72 49 0.00 0.0
What's the all-time high for Seattle on 5/18?
For the date of May 18, the highest temperature ever reached in Seattle history is 89 °F which happened in 1958.
Highest Temperatures in Seattle on May 18
Rank Temperature Year
1 89 °F 1958
2 86 °F 1963
3 85 °F 1956
4 79 °F 1968
4 79 °F 2006
4 79 °F 1961
7 78 °F 1949
7 78 °F 2015
9 77 °F 1940
10 76 °F 2023
10 76 °F 1946
What's the all-time low for Seattle on 5/18?
For the date of May 18, the lowest temperature ever reached in Seattle history is 37 °F which has happened 2 times, most recently in 2003.
Lowest Temperatures in Seattle on May 18
Rank Temperature Year
1 37 °F 2003
1 37 °F 1950
3 40 °F 1959
4 41 °F 1960
5 42 °F 1902
5 42 °F 1989
5 42 °F 1966
5 42 °F 1965
5 42 °F 1901
5 42 °F 1917
5 42 °F 1971
5 42 °F 1905
Lowest High Temperatures in Seattle on May 18
Rank Temperature Year
1 51 °F 1899
2 52 °F 1922
3 53 °F 1939
4 54 °F 1927
5 55 °F 1930
5 55 °F 1918
5 55 °F 1991
5 55 °F 1950
9 56 °F 1921
10 57 °F 1903
10 57 °F 1908
10 57 °F 2022
10 57 °F 1904
10 57 °F 1920
What's the most it has ever rained in Seattle on 5/18?
For the date of May 18, the most precipitation ever recorded in Seattle history is 0.72 inches which happened in 2005.
All-Time Most Precipitation in Seattle on May 18
Rank Precipitation Year
1 0.72 inches 2005
2 0.47 inches 1953
3 0.45 inches 2009
4 0.40 inches 2000
5 0.38 inches 1908
6 0.35 inches 1957
7 0.26 inches 1927
8 0.24 inches 2022
9 0.23 inches 1902
10 0.22 inches 1911
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