Waterloo August 30 Weather Records

Daily averages and all-time records for weather in Waterloo, Iowa for the date of August 30.
August 30 All-Time Records
1895–2024
Highest temperature 96 °F 2012
Lowest temperature 34 °F 1915
Lowest daily high 59 °F 1915
Highest daily low 75 °F 1951
Most precipitation 1.75 inches 1956
Most snow none -
August 30 Average Weather
1991–2020 1
Average high 80.3 °F
Average low 57.1 °F
Chance precipitation 29.1%
Chance snow 0%
Waterloo August 30 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 83 55 0.00 0.0
2022 80 58 0.00 0.0
2021 84 58 0.00 0.0
2020 81 49 0.00 0.0
2019 76 51 0.00 0.0
2018 77 51 0.00 0.0
2017 82 51 0.00 0.0
2016 80 60 0.00 0.0
2015 73 54 0.00 0.0
2014 80 62 0.21 0.0
2013 95 73 0.09 0.0
2012 96 67 0.00 0.0
2011 69 61 1.73 0.0
2010 86 70 0.00 0.0
2009 67 46 0.00 0.0
2008 85 56 0.00 0.0
2007 78 53 0.00 0.0
2006 77 53 0.00 0.0
2005 81 52 0.00 0.0
2004 80 54 0.00 0.0
2003 75 56 0.00 0.0
2002 82 52 0.00 0.0
2001 82 59 0.00 0.0
2000 87 62 0.00 0.0
1999 74 54 0.00 0.0
1998 80 56 0.00 0.0
1997 84 65 0.87 0.0
1996 82 51 0.00 0.0
1995 93 71 0.00 0.0
1994 74 57 0.01 0.0
1993 79 61 0.12 0.0
1992 71 50 0.00 0.0
1991 89 66 0.03 0.0
1990 82 58 0.00 0.0
1989 85 54 0.00 0.0
1988 83 57 0.04 0.0
1987 73 52 0.12 0.0
1986 78 58 0.14 0.0
1985 72 57 0.00 0.0
1984 82 50 0.00 0.0
1983 83 65 0.45 0.0
1982 70 60 0.00 0.0
1981 80 58 0.17 0.0
1980 78 68 0.07 0.0
1979 87 61 0.00 0.0
1978 82 53 0.00 0.0
1977 78 59 0.00 0.0
1976 91 57 0.00 0.0
1975 71 64 0.00 0.0
1974 77 44 0.11 0.0
1973 88 73 0.00 0.0
1972 84 62 0.00 0.0
1971 84 53 0.00 0.0
1970 80 56 0.00 0.0
1969 89 68 0.00 0.0
1968 73 56 0.07 0.0
1967 70 46 0.00 0.0
1966 87 65 0.00 0.0
1965 61 47 1.61 0.0
1964 76 58 0.00 0.0
1963 73 54 0.00 0.0
1962 83 67 0.02 0.0
1961 93 65 0.00 0.0
1960 86 63 0.00 0.0
1959 82 68 0.04 0.0
1958 88 56 0.00 0.0
1957 85 67 0.36 0.0
1956 76 61 1.75 0.0
1955 75 55 0.00 0.0
1954 75 57 0.00 0.0
1953 95 66 0.00 0.0
1952 86 64 0.00 0.0
1951 92 75 0.00 0.0
1950 69 55 0.00 0.0
1949 78 55 0.00 0.0
1948 84 63 0.90 0.0
1947 88 69 0.45 0.0
1946 76 41 0.00 0.0
1945 91 69 0.00 0.0
1944 72 62 n/a 0.0
1943 82 66 n/a 0.0
1942 86 66 0.00 0.0
1941 95 72 n/a 0.0
1940 73 54 0.00 0.0
1939 85 58 0.00 0.0
1938 84 63 0.00 0.0
1937 96 63 0.00 0.0
1936 80 51 0.00 0.0
1935 68 52 n/a 0.0
1934 65 52 n/a 0.0
1933 82 49 0.00 0.0
1932 93 75 0.00 0.0
1931 78 45 0.00 0.0
1930 93 61 0.00 0.0
1929 88 60 0.00 0.0
1928 76 52 n/a 0.0
1927 84 54 0.00 0.0
1926 84 63 0.00 0.0
1925 88 71 0.00 0.0
1924 95 74 0.00 0.0
1923 83 52 n/a 0.0
1922 81 59 0.00 0.0
1921 92 68 n/a 0.0
1920 86 51 n/a 0.0
1919 74 55 0.00 0.0
1918 76 61 0.00 0.0
1917 77 44 0.00 0.0
1916 88 52 0.00 0.0
1915 59 34 0.00 0.0
1914 82 52 0.00 0.0
1913 79 48 n/a 0.0
1912 69 61 0.00 0.0
1911 72 44 0.00 0.0
1910 74 65 0.47 0.0
1909 76 48 n/a 0.0
1908 87 65 n/a 0.0
1907 83 67 0.00 0.0
1906 83 54 0.00 0.0
1905 92 67 n/a 0.0
1904 69 49 0.00 0.0
1903 67 46 0.00 0.0
1902 83 65 n/a 0.0
1901 82 58 0.00 0.0
1900 90 62 0.00 0.0
1899 90 63 0.00 0.0
1898 95 63 0.00 0.0
1897 79 42 0.00 0.0
1896 83 60 0.00 0.0
1895 83 51 n/a 0.0
What's the all-time high for Waterloo on 8/30?
For the date of Aug 30, the highest temperature ever reached in Waterloo history is 96 °F which has happened 2 times, most recently in 2012.
Highest Temperatures in Waterloo on August 30
Rank Temperature Year
1 96 °F 1937
1 96 °F 2012
3 95 °F 1941
3 95 °F 1924
3 95 °F 2013
3 95 °F 1898
3 95 °F 1953
8 93 °F 1930
8 93 °F 1932
8 93 °F 1961
8 93 °F 1995
What's the all-time low for Waterloo on 8/30?
For the date of Aug 30, the lowest temperature ever reached in Waterloo history is 34 °F which happened in 1915.
Lowest Temperatures in Waterloo on August 30
Rank Temperature Year
1 34 °F 1915
2 41 °F 1946
3 42 °F 1897
4 44 °F 1974
4 44 °F 1911
4 44 °F 1917
7 45 °F 1931
8 46 °F 1967
8 46 °F 2009
8 46 °F 1903
Lowest High Temperatures in Waterloo on August 30
Rank Temperature Year
1 59 °F 1915
2 61 °F 1965
3 65 °F 1934
4 67 °F 1903
4 67 °F 2009
6 68 °F 1935
7 69 °F 1950
7 69 °F 2011
7 69 °F 1904
7 69 °F 1912
What's the most it has ever rained in Waterloo on 8/30?
For the date of Aug 30, the most precipitation ever recorded in Waterloo history is 1.75 inches which happened in 1956.
All-Time Most Precipitation in Waterloo on August 30
Rank Precipitation Year
1 1.75 inches 1956
2 1.73 inches 2011
3 1.61 inches 1965
4 0.90 inches 1948
5 0.87 inches 1997
6 0.47 inches 1910
7 0.45 inches 1983
7 0.45 inches 1947
9 0.36 inches 1957
10 0.21 inches 2014
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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