Waterloo August 23 Weather Records

Daily averages and all-time records for weather in Waterloo, Iowa for the date of August 23.
August 23 All-Time Records
1895–2024
Highest temperature 105 °F 2023
Lowest temperature 43 °F 1920
Lowest daily high 61 °F 1977
Highest daily low 79 °F 2023
Most precipitation 2.34 inches 1997
Most snow none -
August 23 Average Weather
1991–2020 1
Average high 81.3 °F
Average low 58.6 °F
Chance precipitation 28.2%
Chance snow 0%
Waterloo August 23 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 105 79 0.00 0.0
2022 83 56 0.00 0.0
2021 87 66 1.12 0.0
2020 93 62 0.00 0.0
2019 79 55 0.00 0.0
2018 78 49 0.00 0.0
2017 77 47 0.00 0.0
2016 82 63 0.00 0.0
2015 73 54 0.15 0.0
2014 81 72 0.17 0.0
2013 82 60 0.00 0.0
2012 93 58 0.00 0.0
2011 90 66 0.99 0.0
2010 84 63 0.00 0.0
2009 76 48 0.00 0.0
2008 79 54 0.01 0.0
2007 80 67 0.08 0.0
2006 87 60 0.00 0.0
2005 73 47 0.00 0.0
2004 88 69 0.00 0.0
2003 86 55 0.00 0.0
2002 83 66 0.29 0.0
2001 87 63 0.00 0.0
2000 80 62 0.00 0.0
1999 77 61 0.73 0.0
1998 88 69 0.01 0.0
1997 82 53 2.34 0.0
1996 78 56 0.00 0.0
1995 89 70 0.00 0.0
1994 83 61 0.00 0.0
1993 84 69 0.27 0.0
1992 84 64 0.00 0.0
1991 82 63 0.36 0.0
1990 82 66 0.00 0.0
1989 79 66 0.43 0.0
1988 84 57 0.00 0.0
1987 71 47 0.00 0.0
1986 75 52 0.00 0.0
1985 75 59 0.05 0.0
1984 74 47 0.00 0.0
1983 81 64 0.00 0.0
1982 81 59 0.00 0.0
1981 84 61 0.00 0.0
1980 83 58 0.00 0.0
1979 75 56 0.00 0.0
1978 92 70 0.00 0.0
1977 61 48 0.03 0.0
1976 87 62 0.00 0.0
1975 89 72 0.00 0.0
1974 74 49 0.00 0.0
1973 69 65 0.37 0.0
1972 63 56 0.00 0.0
1971 79 61 0.00 0.0
1970 78 49 0.00 0.0
1969 78 45 0.00 0.0
1968 93 70 0.02 0.0
1967 79 53 0.00 0.0
1966 70 49 0.00 0.0
1965 74 48 0.00 0.0
1964 68 56 0.00 0.0
1963 86 67 0.07 0.0
1962 91 70 0.94 0.0
1961 79 52 0.00 0.0
1960 85 62 0.00 0.0
1959 87 72 0.08 0.0
1958 69 57 0.16 0.0
1957 78 65 0.64 0.0
1956 83 57 0.00 0.0
1955 87 56 0.00 0.0
1954 85 65 0.08 0.0
1953 86 55 0.00 0.0
1952 76 47 0.00 0.0
1951 77 47 0.00 0.0
1950 87 57 0.00 0.0
1949 90 58 0.00 0.0
1948 99 72 0.00 0.0
1947 96 71 0.00 0.0
1946 73 54 0.00 0.0
1945 74 52 0.00 0.0
1944 74 59 n/a 0.0
1943 88 69 n/a 0.0
1942 68 49 0.00 0.0
1941 85 51 0.01 0.0
1940 71 50 n/a 0.0
1939 79 52 0.20 0.0
1938 94 72 0.00 0.0
1937 83 57 0.00 0.0
1936 92 68 0.61 0.0
1935 81 54 0.00 0.0
1934 80 60 n/a 0.0
1933 91 62 0.00 0.0
1932 89 58 0.00 0.0
1931 91 54 0.00 0.0
1930 85 47 0.00 0.0
1929 89 57 0.00 0.0
1928 71 56 n/a 0.0
1927 75 53 0.00 0.0
1926 83 66 n/a 0.0
1925 88 61 0.00 0.0
1924 84 55 n/a 0.0
1923 78 44 0.00 0.0
1922 92 68 0.00 0.0
1921 79 57 0.35 0.0
1920 74 43 0.00 0.0
1919 82 65 0.00 0.0
1918 83 66 0.25 0.0
1917 90 61 0.23 0.0
1916 79 50 0.00 0.0
1915 86 63 n/a 0.0
1914 88 67 n/a 0.0
1913 75 53 0.00 0.0
1912 75 53 0.00 0.0
1911 70 49 0.00 0.0
1910 95 71 0.00 0.0
1909 83 61 0.00 0.0
1908 74 48 n/a 0.0
1907 79 55 0.00 0.0
1906 93 71 n/a 0.0
1905 82 63 n/a 0.0
1904 79 45 0.00 0.0
1903 82 66 0.00 0.0
1902 76 52 0.00 0.0
1901 89 57 0.00 0.0
1900 86 67 n/a 0.0
1899 93 68 n/a 0.0
1898 86 68 n/a 0.0
1897 75 55 0.00 0.0
1896 79 48 0.00 0.0
1895 82 62 1.22 0.0
What's the all-time high for Waterloo on 8/23?
For the date of Aug 23, the highest temperature ever reached in Waterloo history is 105 °F which happened in 2023.
Highest Temperatures in Waterloo on August 23
Rank Temperature Year
1 105 °F 2023
2 99 °F 1948
3 96 °F 1947
4 95 °F 1910
5 94 °F 1938
6 93 °F 1906
6 93 °F 1899
6 93 °F 2012
6 93 °F 2020
6 93 °F 1968
What's the all-time low for Waterloo on 8/23?
For the date of Aug 23, the lowest temperature ever reached in Waterloo history is 43 °F which happened in 1920.
Lowest Temperatures in Waterloo on August 23
Rank Temperature Year
1 43 °F 1920
2 44 °F 1923
3 45 °F 1969
3 45 °F 1904
5 47 °F 2005
5 47 °F 1951
5 47 °F 1952
5 47 °F 1930
5 47 °F 1984
5 47 °F 2017
5 47 °F 1987
Lowest High Temperatures in Waterloo on August 23
Rank Temperature Year
1 61 °F 1977
2 63 °F 1972
3 68 °F 1942
3 68 °F 1964
5 69 °F 1973
5 69 °F 1958
7 70 °F 1966
7 70 °F 1911
9 71 °F 1928
9 71 °F 1987
9 71 °F 1940
What's the most it has ever rained in Waterloo on 8/23?
For the date of Aug 23, the most precipitation ever recorded in Waterloo history is 2.34 inches which happened in 1997.
All-Time Most Precipitation in Waterloo on August 23
Rank Precipitation Year
1 2.34 inches 1997
2 1.22 inches 1895
3 1.12 inches 2021
4 0.99 inches 2011
5 0.94 inches 1962
6 0.73 inches 1999
7 0.64 inches 1957
8 0.61 inches 1936
9 0.43 inches 1989
10 0.37 inches 1973
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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