Waterloo April 15 Weather Records

Daily averages and all-time records for weather in Waterloo, Iowa for the date of April 15.
April 15 All-Time Records
1895–2024
Highest temperature 91 °F 2002
Lowest temperature 15 °F 1928
Lowest daily high 28 °F 2018
Highest daily low 60 °F 2003
Most precipitation 1.14 inches 1966
Most snow 4.0 inches 1949
April 15 Average Weather
1991–2020 1
Average high 59.6 °F
Average low 36.4 °F
Chance precipitation 37.7%
Chance snow 3.7%
Waterloo April 15 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2024 79 37 0.00 0.0
2023 68 40 0.15 0.0
2022 45 29 0.00 0.0
2021 51 37 0.00 0.0
2020 40 19 0.00 0.0
2019 62 23 0.00 0.0
2018 28 23 0.23 2.5
2017 77 59 0.18 0.0
2016 76 45 0.00 0.0
2015 69 39 0.00 0.0
2014 38 22 0.00 0.0
2013 47 34 0.00 0.0
2012 77 58 0.06 0.0
2011 47 39 0.31 0.0
2010 80 57 0.05 0.0
2009 66 28 0.00 0.0
2008 64 35 0.00 0.0
2007 63 29 0.00 0.0
2006 77 37 0.93 0.0
2005 71 36 0.00 0.0
2004 74 45 0.00 0.0
2003 88 60 0.00 0.0
2002 91 51 0.00 0.0
2001 62 33 0.00 0.0
2000 61 40 0.00 0.0
1999 51 39 0.21 0.0
1998 52 41 0.77 0.0
1997 64 35 0.00 0.0
1996 51 32 0.02 0.1
1995 72 41 0.00 0.0
1994 60 44 0.03 0.0
1993 39 34 0.57 2.0
1992 76 42 0.50 0.0
1991 56 30 0.00 0.0
1990 55 34 0.00 0.0
1989 62 27 0.00 0.0
1988 56 25 0.00 0.0
1987 57 44 0.00 0.0
1986 44 29 0.15 1.3
1985 72 33 0.00 0.0
1984 58 40 0.00 0.0
1983 42 26 0.00 0.0
1982 60 47 0.24 0.0
1981 62 28 0.00 0.0
1980 61 33 0.00 0.0
1979 61 32 0.00 0.0
1978 58 30 0.00 0.0
1977 78 44 0.00 0.0
1976 77 59 0.01 0.0
1975 55 38 0.01 0.0
1974 55 29 0.00 0.0
1973 59 39 0.66 0.0
1972 60 37 0.05 0.0
1971 74 37 0.00 0.0
1970 52 40 0.09 0.0
1969 65 46 0.02 0.0
1968 66 29 0.00 0.0
1967 75 43 0.00 0.0
1966 61 38 1.14 0.0
1965 49 34 0.02 0.0
1964 74 30 0.00 0.0
1963 73 39 0.00 0.0
1962 47 24 0.00 0.0
1961 38 28 0.00 0.0
1960 77 46 0.00 0.0
1959 72 46 0.00 0.0
1958 71 37 0.00 0.0
1957 55 32 0.00 0.0
1956 48 32 0.06 0.0
1955 69 35 0.00 0.0
1954 73 43 0.55 0.0
1953 52 32 0.43 0.0
1952 57 25 0.00 0.0
1951 n/a 30 0.00 0.0
1950 61 23 0.00 0.0
1949 38 26 0.70 4.0
1948 74 43 0.00 0.0
1947 54 31 n/a n/a
1946 59 39 n/a 0.0
1945 46 35 0.08 0.0
1944 43 31 n/a 0.0
1943 61 22 0.00 0.0
1942 83 53 0.00 0.0
1941 64 47 0.00 0.0
1940 72 50 n/a 0.0
1939 53 37 0.02 0.0
1938 70 57 0.00 0.0
1937 61 41 0.10 0.0
1936 64 44 0.00 0.0
1935 41 22 0.00 0.0
1934 60 38 0.00 0.0
1933 61 26 0.00 0.0
1932 60 29 n/a 0.0
1931 77 54 n/a 0.0
1930 60 38 n/a 0.0
1929 59 34 0.00 0.0
1928 41 15 0.00 0.0
1927 69 43 0.40 0.0
1926 60 19 0.00 0.0
1925 63 32 0.00 0.0
1924 79 41 n/a 0.0
1923 48 31 0.20 n/a
1922 67 32 0.00 0.0
1921 55 33 0.95 n/a
1920 67 39 n/a 0.0
1919 46 36 0.40 0.0
1918 69 43 n/a 0.0
1917 52 23 0.00 0.0
1916 63 38 n/a 0.0
1915 71 35 0.00 0.0
1914 71 32 0.00 0.0
1913 66 38 0.00 0.0
1912 69 45 0.00 0.0
1911 56 33 0.00 0.0
1910 76 50 n/a n/a
1909 45 30 0.07 0.0
1908 80 43 0.00 0.0
1907 50 36 n/a 0.0
1906 45 35 0.00 0.0
1905 44 27 0.00 0.0
1904 53 34 0.00 0.0
1903 54 36 0.03 0.0
1902 59 28 0.00 0.0
1901 64 32 n/a 0.0
1900 66 41 0.00 0.0
1899 51 31 0.00 0.0
1898 72 30 0.00 0.0
1897 51 33 n/a 0.0
1896 84 56 0.00 0.0
1895 56 42 n/a 0.0
What's the all-time high for Waterloo on 4/15?
For the date of Apr 15, the highest temperature ever reached in Waterloo history is 91 °F which happened in 2002.
Highest Temperatures in Waterloo on April 15
Rank Temperature Year
1 91 °F 2002
2 88 °F 2003
3 84 °F 1896
4 83 °F 1942
5 80 °F 2010
5 80 °F 1908
7 79 °F 1924
7 79 °F 2024
9 78 °F 1977
10 77 °F 1960
10 77 °F 1976
10 77 °F 2012
10 77 °F 2006
10 77 °F 2017
10 77 °F 1931
What's the all-time low for Waterloo on 4/15?
For the date of Apr 15, the lowest temperature ever reached in Waterloo history is 15 °F which happened in 1928.
Lowest Temperatures in Waterloo on April 15
Rank Temperature Year
1 15 °F 1928
2 19 °F 2020
2 19 °F 1926
4 22 °F 2014
4 22 °F 1935
4 22 °F 1943
7 23 °F 2018
7 23 °F 1950
7 23 °F 2019
7 23 °F 1917
Lowest High Temperatures in Waterloo on April 15
Rank Temperature Year
1 28 °F 2018
2 38 °F 2014
2 38 °F 1961
2 38 °F 1949
5 39 °F 1993
6 40 °F 2020
7 41 °F 1928
7 41 °F 1935
9 42 °F 1983
10 43 °F 1944
What's the most it has ever rained in Waterloo on 4/15?
For the date of Apr 15, the most precipitation ever recorded in Waterloo history is 1.14 inches which happened in 1966.
All-Time Most Precipitation in Waterloo on April 15
Rank Precipitation Year
1 1.14 inches 1966
2 0.95 inches 1921
3 0.93 inches 2006
4 0.77 inches 1998
5 0.70 inches 1949
6 0.66 inches 1973
7 0.57 inches 1993
8 0.55 inches 1954
9 0.50 inches 1992
10 0.43 inches 1953
All-Time Most Snow in Waterloo on April 15
Rank Precipitation Year
1 4.0 inches 1949
2 2.5 inches 2018
3 2.0 inches 1993
4 1.3 inches 1986
5 0.1 inches 1996
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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