Waterloo April 18 Weather Records

Daily averages and all-time records for weather in Waterloo, Iowa for the date of April 18.
April 18 All-Time Records
1895–2024
Highest temperature 92 °F 1994
Lowest temperature 20 °F 1983
Lowest daily high 32 °F 2018
Highest daily low 64 °F 1985
Most precipitation 2.29 inches 2008
Most snow 4.0 inches 2018
April 18 Average Weather
1991–2020 1
Average high 60.5 °F
Average low 37.5 °F
Chance precipitation 39.0%
Chance snow 3.3%
Waterloo April 18 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2024 54 37 0.26 0.0
2023 61 25 0.00 0.0
2022 44 29 0.00 0.0
2021 65 42 0.00 0.0
2020 67 34 0.00 0.0
2019 53 39 0.00 0.0
2018 32 29 0.45 4.0
2017 70 48 0.00 0.0
2016 79 51 0.02 0.0
2015 79 49 0.29 0.0
2014 60 24 0.00 0.0
2013 43 33 0.41 0.0
2012 71 50 0.07 0.0
2011 46 34 0.27 0.0
2010 68 30 0.00 0.0
2009 65 42 0.06 0.0
2008 50 44 2.29 0.0
2007 64 34 0.00 0.0
2006 70 42 0.16 0.0
2005 79 54 0.00 0.0
2004 82 61 0.00 0.0
2003 53 41 0.29 0.0
2002 87 56 0.29 0.0
2001 59 24 0.00 0.0
2000 71 44 0.00 0.0
1999 51 33 0.00 0.0
1998 63 40 0.00 0.0
1997 68 29 0.14 0.0
1996 63 48 0.64 0.0
1995 68 38 0.80 0.0
1994 92 46 0.00 0.0
1993 69 40 0.02 0.0
1992 64 44 0.66 0.0
1991 51 45 0.19 0.0
1990 59 22 0.00 0.0
1989 57 34 0.00 0.0
1988 54 26 0.00 0.0
1987 79 44 0.00 0.0
1986 58 48 0.09 0.0
1985 91 64 0.00 0.0
1984 57 30 0.00 0.0
1983 44 20 0.00 0.0
1982 67 36 0.00 0.0
1981 65 36 0.00 0.0
1980 74 37 0.00 0.0
1979 69 47 0.07 0.0
1978 49 43 0.63 0.0
1977 82 50 0.00 0.0
1976 68 45 0.80 0.0
1975 53 37 0.21 0.0
1974 66 39 0.00 0.0
1973 66 41 0.00 0.0
1972 76 54 0.04 0.0
1971 65 52 0.03 0.0
1970 46 37 0.01 0.0
1969 58 34 0.00 0.0
1968 64 47 0.00 0.0
1967 53 35 0.00 0.0
1966 56 45 0.05 0.0
1965 55 32 0.00 0.0
1964 59 40 0.00 0.0
1963 55 38 0.31 0.0
1962 64 41 0.00 0.0
1961 53 30 0.00 0.0
1960 57 29 0.00 0.0
1959 48 37 0.00 0.0
1958 79 44 0.00 0.0
1957 69 41 0.00 0.0
1956 60 32 0.00 0.0
1955 83 55 0.00 0.0
1954 62 46 0.00 0.0
1953 39 22 0.00 0.0
1952 72 45 0.00 0.0
1951 56 40 0.00 0.0
1950 55 40 0.15 0.0
1949 42 29 0.00 0.0
1948 87 49 0.05 0.0
1947 58 29 0.00 0.0
1946 68 44 0.00 0.0
1945 46 30 0.00 0.0
1944 53 37 0.00 0.0
1943 51 37 n/a 0.0
1942 59 34 0.00 0.0
1941 65 52 1.35 0.0
1940 60 30 n/a 0.0
1939 42 32 0.52 0.0
1938 76 47 0.00 0.0
1937 72 41 0.00 0.0
1936 55 24 0.00 0.0
1935 56 33 n/a 0.0
1934 76 47 n/a 0.0
1933 64 48 0.00 0.0
1932 62 30 0.00 0.0
1931 77 50 n/a 0.0
1930 61 37 0.00 0.0
1929 62 36 0.00 0.0
1928 50 38 n/a 0.0
1927 80 54 n/a 0.0
1926 51 25 0.00 0.0
1925 69 48 0.00 0.0
1924 59 32 0.00 0.0
1923 73 29 0.00 0.0
1922 62 28 n/a 0.0
1921 65 28 0.00 0.0
1920 51 41 n/a 0.0
1919 61 28 0.00 0.0
1918 52 31 n/a 0.0
1917 75 45 n/a 0.0
1916 63 42 n/a 0.0
1915 82 45 0.00 0.0
1914 83 58 0.15 0.0
1913 79 50 0.00 0.0
1912 43 33 0.00 0.0
1911 76 36 0.00 0.0
1910 33 28 0.00 0.0
1909 69 43 1.79 0.0
1908 62 40 0.00 0.0
1907 46 32 n/a 0.0
1906 70 45 0.00 0.0
1905 53 26 0.00 0.0
1904 50 34 0.00 0.0
1903 68 44 0.00 0.0
1902 68 49 0.00 0.0
1901 46 24 0.00 0.0
1900 63 43 0.02 0.0
1899 54 39 0.00 0.0
1898 49 38 0.21 0.0
1897 75 31 0.00 0.0
1896 75 51 n/a 0.0
1895 65 32 0.00 0.0
What's the all-time high for Waterloo on 4/18?
For the date of Apr 18, the highest temperature ever reached in Waterloo history is 92 °F which happened in 1994.
Highest Temperatures in Waterloo on April 18
Rank Temperature Year
1 92 °F 1994
2 91 °F 1985
3 87 °F 2002
3 87 °F 1948
5 83 °F 1914
5 83 °F 1955
7 82 °F 2004
7 82 °F 1977
7 82 °F 1915
10 80 °F 1927
What's the all-time low for Waterloo on 4/18?
For the date of Apr 18, the lowest temperature ever reached in Waterloo history is 20 °F which happened in 1983.
Lowest Temperatures in Waterloo on April 18
Rank Temperature Year
1 20 °F 1983
2 22 °F 1990
2 22 °F 1953
4 24 °F 1901
4 24 °F 2014
4 24 °F 2001
4 24 °F 1936
8 25 °F 1926
8 25 °F 2023
10 26 °F 1905
10 26 °F 1988
Lowest High Temperatures in Waterloo on April 18
Rank Temperature Year
1 32 °F 2018
2 33 °F 1910
3 39 °F 1953
4 42 °F 1939
4 42 °F 1949
6 43 °F 2013
6 43 °F 1912
8 44 °F 2022
8 44 °F 1983
10 46 °F 1970
10 46 °F 1901
10 46 °F 1907
10 46 °F 2011
10 46 °F 1945
What's the most it has ever rained in Waterloo on 4/18?
For the date of Apr 18, the most precipitation ever recorded in Waterloo history is 2.29 inches which happened in 2008.
All-Time Most Precipitation in Waterloo on April 18
Rank Precipitation Year
1 2.29 inches 2008
2 1.79 inches 1909
3 1.35 inches 1941
4 0.80 inches 1995
4 0.80 inches 1976
6 0.66 inches 1992
7 0.64 inches 1996
8 0.63 inches 1978
9 0.52 inches 1939
10 0.45 inches 2018
All-Time Most Snow in Waterloo on April 18
Rank Precipitation Year
1 4.0 inches 2018
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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