An outbreak of Arctic Air will plunge into the Tennessee Valley and southern Appalachians late this weekend and early next week. Light snow accumulations are also expected Sunday and Sunday night especially across the mountains. Be prepared for the cold weather. Read More >
CHATTANOOGA TN DAILY NORMALS AND RECORDS MAY MAX MIN AVG HDD CDD PCPN REC HIGH REC LOW REC PCPN 1 78 54 66 2 3 0.16 90 2012 34 1879 1.50 1929 2 78 55 66 2 3 0.16 92 1942 36 1963 3.41 1964 3 78 55 67 2 4 0.15 91 1899 38 1971 1.87 1893 4 78 55 67 2 4 0.15 92 1902 34 1971 3.17 2013 5 79 56 67 2 4 0.15 92 2012 38 1957 2.45 2003 6 79 56 67 2 4 0.15 94 1952 36 1968 3.28 2003 7 79 56 68 2 4 0.14 94 1940 38 1989 2.22 1915 8 79 57 68 1 4 0.14 93 1940 36 1974 1.26 1929 9 79 57 68 1 4 0.13 93 1936 35 1960 1.60 2024 10 80 57 68 1 5 0.14 94 1936 38 1966 2.31 1881 11 80 58 69 1 5 0.13 91 2011 40 1954 2.16 2019 12 80 58 69 1 5 0.13 93 1962 40 1989 1.87 1936 13 80 58 69 1 5 0.13 92 1962 37 1941 3.08 1972 14 81 58 70 1 6 0.13 93 2018 36 1960 1.82 1976 15 81 59 70 1 6 0.12 93 1962 40 1888 2.20 1946 16 81 59 70 1 6 0.13 95 1962 41 1973 1.62 1970 17 81 59 70 1 6 0.13 93 1962 42 1997 1.54 1980 18 81 60 70 1 6 0.12 96 1962 39 1973 2.10 1930 19 82 60 71 1 6 0.11 96 1962 40 1976 3.05 1901 20 82 60 71 1 7 0.10 97 1962 40 1894 1.19 1923 21 82 61 71 1 7 0.10 95 1962 40 1954 1.95 1921 22 82 61 72 1 7 0.11 96 1941 42 1993 2.17 1955 23 83 61 72 0 7 0.11 93 1953 41 1889 1.61 1979 24 83 61 72 0 8 0.11 94 1953 41 1892 1.33 2001 25 83 62 72 0 8 0.11 95 1953 46 1942 1.23 1895 26 83 62 73 0 8 0.11 95 2019 40 1979 1.64 1974 27 84 62 73 0 8 0.12 95 1911 41 1961 2.23 1973 28 84 63 73 0 8 0.11 95 1962 43 1961 2.29 1924 29 84 63 74 0 9 0.12 99 1941 47 1984 1.82 1952 30 84 63 74 0 9 0.12 95 1937 41 1889 3.47 1903 31 85 64 74 0 9 0.12 96 2011 40 1984 2.79 1979 MO 81 59 70 30 185 3.94 99 1941 34 1879 3.47 1903 1971 DATE OF OCCURANCE IN MONTH (29) (1,4) (30)