445  
CDUS43 KDLH 132243  
CLIDLH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DULUTH MN  
543 PM CDT SAT SEP 13 2025  
   
...............................
 
 
   
..THE DULUTH CLIMATE SUMMARY FOR SEPTEMBER 13 2025
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1870 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 73 3:07 PM 84 1990 69 4 74  
MINIMUM 54 12:28 AM 30 1923 48 6 59  
1963  
1975  
AVERAGE 64 58 6 67  
 
PRECIPITATION (IN)  
TODAY 0.00 2.34 1998 0.12 -0.12 0.00  
MONTH TO DATE 1.90 1.55 0.35 0.08  
SINCE SEP 1 1.90 1.55 0.35 0.08  
SINCE JAN 1 17.18 22.91 -5.73 22.44  
 
SNOWFALL (IN)  
TODAY 0.0 T 1949 0.0 0.0 0.0  
MONTH TO DATE 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 1 7 -6 0  
MONTH TO DATE 123 73 50 44  
SINCE SEP 1 123 73 50 44  
SINCE JUL 1 243 187 56 97  
 
COOLING  
TODAY 0 1 -1 2  
MONTH TO DATE 1 14 -13 18  
SINCE SEP 1 1 14 -13 18  
SINCE JAN 1 221 247 -26 256    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 9.8  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 70 4:00 PM  
AVERAGE 85  
   
......................................................
 
 
THE DULUTH CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 84 1920  
MINIMUM TEMPERATURE (F) 48 30 1964  
 
SUNRISE AND SUNSET  
SEPTEMBER 13 2025.....SUNRISE 6:44 AM CDT SUNSET 7:24 PM CDT  
SEPTEMBER 14 2025.....SUNRISE 6:46 AM CDT SUNSET 7:22 PM CDT  
 
- 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 MN Page
The Nexlab WI Page Main Text Page