Kennewick October 20 Weather Records

Daily averages and all-time records for weather in Kennewick, Washington for the date of October 20.
October 20 All-Time Records
1894–2024
Highest temperature 84 °F 1907
Lowest temperature 21 °F 1949
Lowest daily high 49 °F 1930
Highest daily low 55 °F 1973
Most precipitation 0.90 inches 1947
October 20 Average Weather
1991–2020 1
Average high 63.7 °F
Average low 38.4 °F
Chance precipitation 21.6%
Kennewick October 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 73 42 0.00 n/a
2022 73 39 0.00 n/a
2021 72 40 0.00 n/a
2020 64 43 0.00 n/a
2019 56 44 0.00 n/a
2018 65 30 0.00 0.0
2017 61 47 0.00 0.0
2016 67 46 0.08 0.0
2015 72 41 0.00 0.0
2014 75 40 0.24 0.0
2013 70 32 0.00 0.0
2012 60 43 0.00 0.0
2011 68 51 0.01 0.0
2010 65 32 0.00 n/a
2009 64 37 0.00 n/a
2008 65 39 0.00 n/a
2007 57 43 0.00 n/a
2006 69 38 0.00 n/a
2005 69 46 0.00 n/a
2004 63 40 0.10 n/a
2003 78 54 0.00 n/a
2002 69 44 0.00 n/a
2001 67 34 0.00 n/a
2000 58 47 0.27 n/a
1999 65 27 0.00 n/a
1998 62 35 0.00 0.0
1997 66 35 0.00 0.0
1996 57 32 0.00 0.0
1995 62 38 0.00 0.0
1994 63 42 0.00 0.0
1993 68 36 0.00 0.0
1992 74 44 0.00 0.0
1991 65 40 0.00 0.0
1990 58 33 0.00 0.0
1989 65 47 0.00 0.0
1988 65 40 0.00 0.0
1987 64 33 0.00 0.0
1986 64 38 0.00 0.0
1985 64 42 0.00 0.0
1984 56 31 0.00 0.0
1983 58 44 0.00 0.0
1982 57 26 0.00 0.0
1981 78 35 0.00 0.0
1980 65 38 0.00 0.0
1979 n/a n/a n/a n/a
1978 71 n/a 0.00 0.0
1977 71 38 0.00 0.0
1976 60 28 0.00 0.0
1975 62 44 0.00 0.0
1974 65 32 0.00 0.0
1973 75 55 0.27 0.0
1972 68 34 0.00 0.0
1971 63 43 0.00 0.0
1970 58 48 0.03 0.0
1969 67 48 0.00 0.0
1968 61 46 0.57 0.0
1967 58 32 0.00 0.0
1966 66 46 0.00 0.0
1965 70 39 0.00 n/a
1964 61 30 0.00 0.0
1963 59 38 0.01 0.0
1962 72 45 0.00 0.0
1961 56 30 0.00 0.0
1960 65 44 0.00 0.0
1959 61 47 0.02 0.0
1958 60 40 0.00 0.0
1957 57 32 0.00 0.0
1956 65 45 0.00 0.0
1955 66 41 0.00 0.0
1954 59 34 0.00 0.0
1953 62 45 0.01 0.0
1952 70 47 0.00 0.0
1951 61 49 0.00 0.0
1950 60 50 0.10 0.0
1949 53 21 0.00 0.0
1948 63 30 0.00 0.0
1947 62 44 0.90 0.0
1946 67 46 0.07 0.0
1945 60 29 0.00 0.0
1944 70 40 0.00 0.0
1943 53 25 0.00 0.0
1942 75 37 0.00 n/a
1941 67 41 0.00 n/a
1940 80 41 0.17 0.0
1939 75 50 n/a n/a
1938 65 31 n/a n/a
1937 70 55 n/a n/a
1936 65 39 n/a n/a
1935 56 36 0.00 n/a
1934 64 47 0.04 0.0
1933 61 41 0.04 n/a
1932 68 39 0.00 n/a
1931 68 39 0.00 n/a
1930 49 44 0.00 n/a
1929 69 41 0.00 n/a
1928 66 36 0.00 n/a
1927 74 40 0.00 n/a
1926 67 32 0.00 n/a
1925 64 39 0.00 n/a
1924 63 31 0.00 n/a
1923 67 37 0.00 n/a
1922 70 50 0.00 0.0
1921 58 48 0.13 0.0
1920 55 30 0.00 0.0
1919 72 36 0.00 n/a
1918 73 43 0.00 0.0
1917 66 28 0.00 n/a
1916 71 26 0.00 0.0
1915 79 52 0.00 0.0
1914 65 35 0.00 n/a
1913 65 35 0.00 n/a
1912 60 27 0.00 n/a
1911 66 21 0.00 n/a
1910 72 36 0.00 n/a
1909 61 44 0.00 n/a
1908 58 34 0.00 n/a
1907 84 46 0.00 0.0
1906 56 25 0.00 n/a
1905 55 26 0.00 n/a
1904 n/a n/a n/a n/a
1903 n/a n/a n/a n/a
1902 n/a n/a n/a n/a
1901 n/a n/a n/a n/a
1900 n/a n/a n/a n/a
1899 65 42 0.00 n/a
1898 63 29 0.00 n/a
1897 57 50 0.00 n/a
1896 70 44 0.00 n/a
1895 67 30 0.00 n/a
1894 49 40 0.00 n/a
What's the all-time high for Kennewick on 10/20?
For the date of Oct 20, the highest temperature ever reached in Kennewick history is 84 °F which happened in 1907.
Highest Temperatures in Kennewick on October 20
Rank Temperature Year
1 84 °F 1907
2 80 °F 1940
3 79 °F 1915
4 78 °F 2003
4 78 °F 1981
6 75 °F 2014
6 75 °F 1942
6 75 °F 1973
6 75 °F 1939
10 74 °F 1927
10 74 °F 1992
What's the all-time low for Kennewick on 10/20?
For the date of Oct 20, the lowest temperature ever reached in Kennewick history is 21 °F which has happened 2 times, most recently in 1949.
Lowest Temperatures in Kennewick on October 20
Rank Temperature Year
1 21 °F 1911
1 21 °F 1949
3 25 °F 1943
3 25 °F 1906
5 26 °F 1916
5 26 °F 1982
5 26 °F 1905
8 27 °F 1912
8 27 °F 1999
10 28 °F 1976
10 28 °F 1917
Lowest High Temperatures in Kennewick on October 20
Rank Temperature Year
1 49 °F 1894
1 49 °F 1930
3 53 °F 1943
3 53 °F 1949
5 55 °F 1920
5 55 °F 1905
7 56 °F 1961
7 56 °F 2019
7 56 °F 1984
7 56 °F 1935
7 56 °F 1906
What's the most it has ever rained in Kennewick on 10/20?
For the date of Oct 20, the most precipitation ever recorded in Kennewick history is 0.90 inches which happened in 1947.
All-Time Most Precipitation in Kennewick on October 20
Rank Precipitation Year
1 0.90 inches 1947
2 0.57 inches 1968
3 0.27 inches 2000
3 0.27 inches 1973
5 0.24 inches 2014
6 0.17 inches 1940
7 0.13 inches 1921
8 0.10 inches 1950
8 0.10 inches 2004
10 0.08 inches 2016
Weather Station Details
Years Station Coordinates
1999–2024 Pasco Tri Cities Airport location
1894–1998 Kennewick location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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