National Weather Service United States Department of Commerce

Arctic Outbreak Early Next Week. Be Prepared for the Frigid Cold Temperatures.

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)