575  
CDUS43 KDLH 122127  
CLIDLH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DULUTH MN  
427 PM CDT FRI SEP 12 2025  
   
...............................
 
 
   
..THE DULUTH CLIMATE SUMMARY FOR SEPTEMBER 12 2025
 
 
VALID TODAY AS OF 0400 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 65 1:17 PM 87 1948 69 -4 77  
MINIMUM 54 5:54 AM 29 2007 49 5 58  
AVERAGE 60 59 1 68  
 
PRECIPITATION (IN)  
TODAY T 2.04 1903 0.12 -0.12 0.00  
MONTH TO DATE 1.90 1.43 0.47 0.08  
SINCE SEP 1 1.90 1.43 0.47 0.08  
SINCE JAN 1 17.18 22.79 -5.61 22.44  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 2001 0.0 0.0 0.0  
2002  
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 5 7 -2 0  
MONTH TO DATE 122 66 56 44  
SINCE SEP 1 122 66 56 44  
SINCE JUL 1 242 180 62 97  
 
COOLING  
TODAY 0 1 -1 3  
MONTH TO DATE 1 13 -12 16  
SINCE SEP 1 1 13 -12 16  
SINCE JAN 1 221 246 -25 254    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 8.4  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 84 1:00 PM  
AVERAGE 92  
   
......................................................
 
 
THE DULUTH CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 84 1990  
MINIMUM TEMPERATURE (F) 48 30 1923  
1963  
1975  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2025.....SUNRISE 6:43 AM CDT SUNSET 7:26 PM CDT  
SEPTEMBER 13 2025.....SUNRISE 6:44 AM CDT SUNSET 7:24 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