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
                                     AUGUST

      MAX   MIN   AVG   HDD   CDD    PCPN    REC HIGH     REC LOW     REC PCPN

 1     91    71    81     0    16    0.13    99  2010    60  1974    1.57 1879
 2     91    71    81     0    16    0.13   100  2011    59  1895    2.91 1904
 3     91    71    81     0    16    0.14   101  2011    58  1965    1.71 1948
 4     91    71    81     0    16    0.13   105  1947    56  1950    3.01 1969
 5     91    71    81     0    16    0.14   100  1935    58  1985    3.63 1941

 6     91    71    81     0    16    0.12   102  1935    56  1948    1.54 2022
 7     91    71    81     0    16    0.13   104  1935    57  1957    1.78 1997
 8     91    71    81     0    16    0.13   102  1980    57  1957    1.83 1920
 9     91    71    81     0    16    0.12   103  1980    56  1989    2.24 1920
 10    90    71    81     0    16    0.13   104  1980    59  1976    2.46 2022

 11    90    71    81     0    16    0.12    99  1957    56  1967    1.42 1974
 12    90    71    81     0    16    0.11   100  1999    58  1969    1.93 2013
 13    90    71    80     0    16    0.12   102  1956    53  1964    3.09 1920
 14    90    71    80     0    15    0.11   101  1902    54  2004    1.60 1935
 15    90    71    80     0    15    0.11   103  2007    56  1967    2.29 2021

 16    90    71    80     0    15    0.11   104  2007    57  1992    2.48 1964
 17    90    70    80     0    15    0.11   102  1936    58  1889    2.68 2015
 18    90    70    80     0    15    0.12   103  1936    57  1958    1.61 1956
 19    90    70    80     0    15    0.11   103  1936    61  1992    1.48 1915
 20    90    70    80     0    15    0.12   102  1983    56  1976    1.71 1994

 21    90    70    80     0    15    0.11   103  1983    56  1927    1.22 1901
 22    89    70    80     0    15    0.12   103  2007    55  1956    2.98 1912
 23    89    70    80     0    14    0.12   105  2007    55  1969    1.74 1900
 24    89    70    79     0    14    0.12   102  2007    54  1891    1.46 1896
 25    89    69    79     0    14    0.11   100  2011    54  1891    2.53 1959

 26    89    69    79     0    14    0.12   101  2011    55  1966    3.28 2008
 27    89    69    79     0    14    0.11   102  1936    53  1942    1.98 1882
 28    89    69    79     0    14    0.10   100  1924    56  1927    2.03 1933
 29    88    69    78     0    14    0.11   101  2024    54  1992    1.66 1884
 30    88    68    78     0    13    0.10   100  2024    53  1992    1.39 1955

 31    88    68    78     0    13    0.11    99  1993    50  1946    2.18 2021

 MO   89.8  70.2    80    0   465    3.67   105  1947    50  1946    3.63 1941
                                                 2007                          

 DATE OF OCCURANCE IN MONTH                     (4,23)        (31)          (5)