979  
CDUS44 KMRX 192117  
CLITYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
517 PM EDT FRI SEP 19 2025  
   
...............................
 
 
...THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 19 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 87 3:56 PM 98 1925 82 5 87  
MINIMUM 62 7:04 AM 42 1901 60 2 63  
AVERAGE 75 71 4 75  
 
PRECIPITATION (IN)  
TODAY 0.00 1.90 1969 0.12 -0.12 T  
MONTH TO DATE 1.86 2.19 -0.33 0.81  
SINCE SEP 1 1.86 2.19 -0.33 0.81  
SINCE JAN 1 37.99 38.61 -0.62 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 0  
 
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 10 6 4 10  
MONTH TO DATE 113 167 -54 153  
SINCE SEP 1 113 167 -54 153  
SINCE JAN 1 1625 1474 151 1649    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 1.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 5:00 AM  
LOWEST 40 4:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 97 1925  
MINIMUM TEMPERATURE (F) 60 43 1889  
 
SUNRISE AND SUNSET  
SEPTEMBER 19 2025.....SUNRISE 7:22 AM EDT SUNSET 7:37 PM EDT  
SEPTEMBER 20 2025.....SUNRISE 7:23 AM EDT SUNSET 7:35 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab TN Page
The Nexlab VA Page
The Nexlab NC Page Main Text Page