Waterloo August 11 Weather Records

Daily averages and all-time records for weather in Waterloo, Iowa for the date of August 11.
August 11 All-Time Records
1895–2024
Highest temperature 98 °F 1941
Lowest temperature 43 °F 1982
Lowest daily high 61 °F 2004
Highest daily low 75 °F 1944
Most precipitation 1.44 inches 2016
Most snow none -
August 11 Average Weather
1991–2020 1
Average high 82.0 °F
Average low 60.1 °F
Chance precipitation 27.4%
Chance snow 0%
Waterloo August 11 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 91 66 0.26 0.0
2022 78 65 0.24 0.0
2021 92 66 0.00 0.0
2020 83 54 0.00 0.0
2019 87 70 0.00 0.0
2018 86 62 0.00 0.0
2017 78 53 0.00 0.0
2016 87 71 1.44 0.0
2015 82 59 0.00 0.0
2014 73 60 0.00 0.0
2013 80 64 0.37 0.0
2012 80 47 0.00 0.0
2011 81 49 0.00 0.0
2010 90 68 0.08 0.0
2009 83 60 0.00 0.0
2008 77 52 0.00 0.0
2007 90 73 0.00 0.0
2006 77 64 0.00 0.0
2005 79 67 1.17 0.0
2004 61 46 0.00 0.0
2003 85 56 0.00 0.0
2002 89 61 0.00 0.0
2001 80 53 0.00 0.0
2000 86 59 0.00 0.0
1999 83 60 0.01 0.0
1998 82 57 0.00 0.0
1997 67 58 0.49 0.0
1996 82 62 0.00 0.0
1995 93 72 0.00 0.0
1994 71 57 0.00 0.0
1993 86 61 0.07 0.0
1992 79 52 0.00 0.0
1991 84 56 0.04 0.0
1990 82 62 0.05 0.0
1989 88 56 0.00 0.0
1988 96 73 0.00 0.0
1987 85 63 0.00 0.0
1986 75 45 0.00 0.0
1985 79 49 0.00 0.0
1984 84 57 0.00 0.0
1983 76 58 0.00 0.0
1982 79 43 0.00 0.0
1981 80 57 0.00 0.0
1980 82 62 0.50 0.0
1979 76 53 0.00 0.0
1978 83 56 0.00 0.0
1977 73 52 0.00 0.0
1976 87 63 0.03 0.0
1975 87 63 0.59 0.0
1974 75 63 0.00 0.0
1973 82 59 0.00 0.0
1972 85 67 0.00 0.0
1971 78 47 0.00 0.0
1970 82 58 0.00 0.0
1969 84 55 0.00 0.0
1968 71 48 0.00 0.0
1967 71 45 0.00 0.0
1966 75 48 0.00 0.0
1965 88 60 0.00 0.0
1964 71 56 0.01 0.0
1963 88 63 0.00 0.0
1962 81 64 0.00 0.0
1961 80 58 0.00 0.0
1960 81 52 0.00 0.0
1959 85 64 0.05 0.0
1958 89 69 0.00 0.0
1957 86 63 0.00 0.0
1956 82 63 0.00 0.0
1955 85 52 0.00 0.0
1954 75 57 0.00 0.0
1953 85 61 0.00 0.0
1952 79 60 0.16 0.0
1951 75 57 0.00 0.0
1950 81 59 0.16 0.0
1949 80 70 0.45 0.0
1948 87 65 0.03 0.0
1947 94 70 0.00 0.0
1946 72 52 0.00 0.0
1945 78 63 n/a 0.0
1944 91 75 0.00 0.0
1943 89 69 n/a 0.0
1942 76 53 0.00 0.0
1941 98 75 0.00 0.0
1940 80 66 0.28 0.0
1939 81 62 n/a 0.0
1938 81 58 0.00 0.0
1937 79 66 0.05 0.0
1936 91 62 0.00 0.0
1935 95 70 0.00 0.0
1934 66 59 0.25 0.0
1933 90 58 n/a 0.0
1932 75 63 n/a 0.0
1931 78 49 0.00 0.0
1930 78 48 0.00 0.0
1929 88 64 n/a 0.0
1928 82 57 0.00 0.0
1927 89 56 0.00 0.0
1926 78 62 0.00 0.0
1925 82 56 n/a 0.0
1924 78 54 0.00 0.0
1923 97 68 n/a 0.0
1922 80 63 n/a 0.0
1921 82 62 0.00 0.0
1920 88 64 0.00 0.0
1919 83 59 0.00 0.0
1918 90 67 0.00 0.0
1917 82 49 n/a 0.0
1916 92 60 0.60 0.0
1915 86 59 0.00 0.0
1914 81 52 0.00 0.0
1913 78 61 0.36 0.0
1912 73 57 0.02 0.0
1911 89 62 0.51 0.0
1910 85 56 n/a 0.0
1909 88 66 n/a 0.0
1908 88 60 n/a 0.0
1907 92 70 n/a 0.0
1906 88 63 0.00 0.0
1905 95 66 0.00 0.0
1904 73 49 0.00 0.0
1903 72 50 0.00 0.0
1902 72 48 n/a 0.0
1901 80 60 0.00 0.0
1900 91 72 n/a 0.0
1899 95 68 0.00 0.0
1898 80 56 0.00 0.0
1897 78 56 0.00 0.0
1896 85 71 0.18 0.0
1895 88 61 0.00 0.0
What's the all-time high for Waterloo on 8/11?
For the date of Aug 11, the highest temperature ever reached in Waterloo history is 98 °F which happened in 1941.
Highest Temperatures in Waterloo on August 11
Rank Temperature Year
1 98 °F 1941
2 97 °F 1923
3 96 °F 1988
4 95 °F 1905
4 95 °F 1899
4 95 °F 1935
7 94 °F 1947
8 93 °F 1995
9 92 °F 1907
9 92 °F 1916
9 92 °F 2021
What's the all-time low for Waterloo on 8/11?
For the date of Aug 11, the lowest temperature ever reached in Waterloo history is 43 °F which happened in 1982.
Lowest Temperatures in Waterloo on August 11
Rank Temperature Year
1 43 °F 1982
2 45 °F 1967
2 45 °F 1986
4 46 °F 2004
5 47 °F 1971
5 47 °F 2012
7 48 °F 1902
7 48 °F 1968
7 48 °F 1930
7 48 °F 1966
Lowest High Temperatures in Waterloo on August 11
Rank Temperature Year
1 61 °F 2004
2 66 °F 1934
3 67 °F 1997
4 71 °F 1967
4 71 °F 1994
4 71 °F 1968
4 71 °F 1964
8 72 °F 1946
8 72 °F 1902
8 72 °F 1903
What's the most it has ever rained in Waterloo on 8/11?
For the date of Aug 11, the most precipitation ever recorded in Waterloo history is 1.44 inches which happened in 2016.
All-Time Most Precipitation in Waterloo on August 11
Rank Precipitation Year
1 1.44 inches 2016
2 1.17 inches 2005
3 0.60 inches 1916
4 0.59 inches 1975
5 0.51 inches 1911
6 0.50 inches 1980
7 0.49 inches 1997
8 0.45 inches 1949
9 0.37 inches 2013
10 0.36 inches 1913
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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