316  
CDUS44 KMRX 212112  
CLITYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
512 PM EDT TUE OCT 21 2025  
   
...............................
 
 
...THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE SUMMARY FOR OCTOBER 21 2025...  
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 71 12:24 PM 86 1947 70 1 78  
1953  
MINIMUM 41 6:33 AM 29 1987 47 -6 43  
AVERAGE 56 58 -2 61  
 
PRECIPITATION (IN)  
TODAY 0.20 0.86 1929 0.09 0.11 0.00  
MONTH TO DATE 0.94 1.87 -0.93 0.02  
SINCE SEP 1 3.86 5.36 -1.50 6.35  
SINCE JAN 1 39.99 41.78 -1.79 48.18  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 9 7 2 4  
MONTH TO DATE 31 93 -62 107  
SINCE SEP 1 31 110 -79 109  
SINCE JUL 1 31 110 -79 109  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 46 39 7 51  
SINCE SEP 1 263 259 4 293  
SINCE JAN 1 1775 1566 209 1789    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
HAIL  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 3:00 AM  
LOWEST 47 11:00 AM  
AVERAGE 68  
   
......................................................
 
 
THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 86 1947  
MINIMUM TEMPERATURE (F) 46 25 1987  
 
SUNRISE AND SUNSET  
OCTOBER 21 2025.......SUNRISE 7:48 AM EDT SUNSET 6:52 PM EDT  
OCTOBER 22 2025.......SUNRISE 7:49 AM EDT SUNSET 6:51 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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