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 >

                                  KNOXVILLE TN
                            DAILY NORMALS AND RECORDS
                                       MAY

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

 1     76    53    64     3     2    0.15    91  1951    36  1996    1.23 1966
 2     76    53    64     3     3    0.15    90  2010    34  1963    1.42 1984
 3     76    53    65     3     3    0.14    90  1894    37  1988    1.77 2010
 4     76    54    65     3     3    0.15    91  1902    32  1986    2.15 1879
 5     76    54    65     3     3    0.14    93  1959    37  2011    3.04 2003

 6     77    54    65     3     3    0.14    89  1949    38  1891    2.33 1984
 7     77    54    66     2     3    0.14    92  1940    37  2020    2.72 1984
 8     77    55    66     2     3    0.14    93  1940    34  1989    1.97 2024
 9     77    55    66     2     4    0.14    94  1936    36  2020    1.44 1961
 10    78    55    66     2     4    0.14    94  1936    34  2020    1.13 1945

 11    78    56    67     2     4    0.13    92  1896    39  1997    2.12 2019
 12    78    56    67     2     4    0.14    91  1881    39  2020    1.67 1971
 13    78    56    67     2     4    0.13    93  1881    38  1989    2.95 1918
 14    78    56    67     2     4    0.13    91  2018    39  1917    1.63 2012
 15    79    57    68     2     4    0.14    91  1915    36  1888    1.63 1976

 16    79    57    68     2     5    0.13    92  1962    37  1997    1.34 1934
 17    79    57    68     2     5    0.13    92  1962    39  1984    1.64 1980
 18    79    58    68     2     5    0.13    94  1962    38  1973    1.99 1995
 19    80    58    69     1     5    0.13    93  1962    38  1976    2.06 1929
 20    80    58    69     1     5    0.13    93  1941    34  1894    2.20 1942

 21    80    58    69     1     5    0.12    95  1941    41  2002    2.02 1901
 22    80    59    69     1     6    0.12    96  1941    39  1883    2.31 1916
 23    81    59    70     1     6    0.13    92  1903    40  1889    2.30 1979
 24    81    59    70     1     6    0.12    92  1904    37  1883    2.57 2000
 25    81    59    70     1     6    0.13    93  2011    43  2013    1.17 2009

 26    81    60    70     1     6    0.13    94  1926    38  1979    1.76 2004
 27    81    60    71     1     6    0.12    94  1941    39  1961    1.96 1973
 28    82    60    71     0     6    0.13    94  1914    41  1961    2.24 1982
 29    82    61    71     0     7    0.13    95  1941    45  1902    1.16 1916
 30    82    61    72     0     7    0.12    94  1941    39  1984    3.36 1974

 31    82    61    72     0     7    0.13    96  2011    38  1984    1.65 1887

 MO   78.9  56.9  67.9   53   143    4.13    96  1941    32  1986    3.36 1974
                                                 2011                          

 DATE OF OCCURANCE IN MONTH                    (22,31)         (4)         (30)