Waterloo October 20 Weather Records

Daily averages and all-time records for weather in Waterloo, Iowa for the date of October 20.
October 20 All-Time Records
1895–2024
Highest temperature 87 °F 2003
Lowest temperature 17 °F 1952
Lowest daily high 38 °F 1960
Highest daily low 65 °F 1979
Most precipitation 1.21 inches 1965
Most snow 1.2 inches 1982
October 20 Average Weather
1991–2020 1
Average high 59.8 °F
Average low 37.2 °F
Chance precipitation 26.4%
Chance snow 1.6%
Waterloo October 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 72 40 0.00 0.0
2022 68 27 0.00 0.0
2021 69 46 0.02 0.0
2020 45 35 0.06 0.0
2019 66 33 0.00 0.0
2018 49 25 0.00 0.0
2017 75 47 0.00 0.0
2016 55 33 0.00 0.0
2015 73 50 0.00 0.0
2014 68 38 0.00 0.0
2013 59 29 0.00 0.0
2012 54 39 0.00 0.0
2011 55 34 0.00 0.0
2010 71 33 0.00 0.0
2009 63 46 0.00 0.0
2008 61 32 0.00 0.0
2007 73 37 0.00 0.0
2006 55 33 0.00 0.0
2005 54 36 0.00 0.0
2004 52 48 0.00 0.0
2003 87 54 0.00 0.0
2002 53 20 0.00 0.0
2001 68 33 0.00 0.0
2000 73 44 0.00 0.0
1999 55 33 0.00 0.0
1998 57 30 0.00 0.0
1997 51 28 0.00 0.0
1996 68 44 0.00 0.0
1995 45 38 0.00 0.0
1994 67 40 0.00 0.0
1993 63 39 0.06 0.0
1992 62 33 0.00 0.0
1991 60 29 0.00 0.0
1990 53 43 0.26 0.0
1989 54 29 0.00 0.0
1988 48 41 0.18 0.0
1987 44 32 0.00 0.0
1986 76 45 0.00 0.0
1985 55 50 0.00 0.0
1984 58 37 0.00 0.0
1983 48 44 0.31 0.0
1982 40 32 0.30 1.2
1981 63 44 0.00 0.0
1980 64 37 0.00 0.0
1979 81 65 0.00 0.0
1978 78 35 0.00 0.0
1977 65 32 0.00 0.0
1976 48 30 0.00 0.0
1975 70 34 0.00 0.0
1974 50 25 0.00 0.0
1973 62 32 0.00 0.0
1972 42 25 0.60 0.0
1971 59 48 0.24 0.0
1970 60 37 0.00 0.0
1969 58 33 0.00 0.0
1968 62 31 0.00 0.0
1967 55 28 0.00 0.0
1966 67 32 0.00 0.0
1965 61 51 1.21 0.0
1964 61 24 0.00 0.0
1963 73 55 0.01 0.0
1962 60 38 0.07 0.0
1961 57 28 0.00 0.0
1960 38 21 0.00 0.0
1959 63 35 0.00 0.0
1958 77 53 0.00 0.0
1957 59 26 0.00 0.0
1956 75 50 0.00 0.0
1955 66 46 0.00 0.0
1954 59 32 0.00 0.0
1953 82 58 0.00 0.0
1952 52 17 0.00 0.0
1951 55 42 0.00 0.0
1950 68 38 0.00 0.0
1949 69 58 0.02 0.0
1948 65 28 0.00 0.0
1947 84 48 0.00 0.0
1946 65 32 0.00 0.0
1945 69 39 0.00 0.0
1944 64 40 0.00 0.0
1943 67 50 n/a 0.0
1942 75 38 0.00 0.0
1941 67 57 0.77 0.0
1940 65 38 0.00 0.0
1939 71 41 n/a 0.0
1938 61 34 0.00 0.0
1937 55 38 0.00 0.0
1936 80 50 n/a 0.0
1935 73 46 0.00 0.0
1934 76 47 0.51 0.0
1933 54 28 0.00 0.0
1932 55 35 0.00 0.0
1931 72 46 0.00 0.0
1930 39 17 0.00 0.0
1929 68 41 n/a 0.0
1928 68 35 n/a 0.0
1927 78 37 0.00 0.0
1926 50 38 0.00 0.0
1925 46 25 0.00 0.0
1924 70 42 0.00 0.0
1923 55 29 0.00 0.0
1922 70 37 0.00 0.0
1921 58 39 0.00 0.0
1920 79 51 0.10 0.0
1919 56 44 0.00 0.0
1918 68 46 0.00 0.0
1917 41 27 0.00 0.0
1916 50 30 n/a n/a
1915 71 44 0.00 0.0
1914 77 49 0.00 0.0
1913 40 29 0.12 0.0
1912 57 37 n/a 0.0
1911 58 35 0.00 0.0
1910 54 40 n/a 0.0
1909 54 26 n/a 0.0
1908 65 49 n/a 0.0
1907 62 33 0.00 0.0
1906 72 46 n/a 0.0
1905 46 33 0.09 0.0
1904 77 40 0.05 0.0
1903 76 41 0.00 0.0
1902 65 32 0.00 0.0
1901 69 30 0.00 0.0
1900 73 47 n/a 0.0
1899 62 32 0.00 0.0
1898 40 35 0.00 0.0
1897 52 42 0.00 0.0
1896 44 22 0.00 0.0
1895 46 24 0.00 0.0
What's the all-time high for Waterloo on 10/20?
For the date of Oct 20, the highest temperature ever reached in Waterloo history is 87 °F which happened in 2003.
Highest Temperatures in Waterloo on October 20
Rank Temperature Year
1 87 °F 2003
2 84 °F 1947
3 82 °F 1953
4 81 °F 1979
5 80 °F 1936
6 79 °F 1920
7 78 °F 1978
7 78 °F 1927
9 77 °F 1914
9 77 °F 1958
9 77 °F 1904
What's the all-time low for Waterloo on 10/20?
For the date of Oct 20, the lowest temperature ever reached in Waterloo history is 17 °F which has happened 2 times, most recently in 1952.
Lowest Temperatures in Waterloo on October 20
Rank Temperature Year
1 17 °F 1952
1 17 °F 1930
3 20 °F 2002
4 21 °F 1960
5 22 °F 1896
6 24 °F 1964
6 24 °F 1895
8 25 °F 1972
8 25 °F 1974
8 25 °F 2018
8 25 °F 1925
Lowest High Temperatures in Waterloo on October 20
Rank Temperature Year
1 38 °F 1960
2 39 °F 1930
3 40 °F 1913
3 40 °F 1982
3 40 °F 1898
6 41 °F 1917
7 42 °F 1972
8 44 °F 1896
8 44 °F 1987
10 45 °F 2020
10 45 °F 1995
What's the most it has ever rained in Waterloo on 10/20?
For the date of Oct 20, the most precipitation ever recorded in Waterloo history is 1.21 inches which happened in 1965.
All-Time Most Precipitation in Waterloo on October 20
Rank Precipitation Year
1 1.21 inches 1965
2 0.77 inches 1941
3 0.60 inches 1972
4 0.51 inches 1934
5 0.31 inches 1983
6 0.30 inches 1982
7 0.26 inches 1990
8 0.24 inches 1971
9 0.18 inches 1988
10 0.12 inches 1913
All-Time Most Snow in Waterloo on October 20
Rank Precipitation Year
1 1.2 inches 1982
Weather Station Details
Years Station Coordinates
1950–2024 Waterloo Municipal Airport location
1895–1950 Waterloo location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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