751  
CDUS44 KMRX 182139  
CLITYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
539 PM EDT THU SEP 18 2025  
   
...............................
 
 
...THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 18 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 85 3:59 PM 98 1931 82 3 82  
MINIMUM 59 6:41 AM 45 1903 61 -2 65  
AVERAGE 72 71 1 74  
 
PRECIPITATION (IN)  
TODAY T 3.16 2012 0.12 -0.12 0.00  
MONTH TO DATE 1.86 2.07 -0.21 0.81  
SINCE SEP 1 1.86 2.07 -0.21 0.81  
SINCE JAN 1 37.99 38.49 -0.50 42.64  
 
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 MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 2  
SINCE SEP 1 0 0 0 2  
SINCE JUL 1 0 0 0 2  
 
COOLING  
TODAY 7 7 0 9  
MONTH TO DATE 103 161 -58 143  
SINCE SEP 1 103 161 -58 143  
SINCE JAN 1 1615 1468 147 1639    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 2.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 5:00 AM  
LOWEST 40 2:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 98 1925  
MINIMUM TEMPERATURE (F) 60 42 1901  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2025.....SUNRISE 7:21 AM EDT SUNSET 7:38 PM EDT  
SEPTEMBER 19 2025.....SUNRISE 7:22 AM EDT SUNSET 7:37 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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