104  
CDUS41 KBOX 292122  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
522 PM EDT MON SEP 29 2025  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 29 2025
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1872 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 78 356 PM 88 1952 68 10 65  
MINIMUM 63 610 AM 34 1914 53 10 57  
AVERAGE 71 61 10 61  
 
PRECIPITATION (IN)  
TODAY 0.00 2.83 1907 0.13 -0.13 0.00  
MONTH TO DATE 3.09 3.43 -0.34 1.33  
SINCE SEP 1 3.09 3.43 -0.34 1.33  
SINCE JAN 1 28.04 31.47 -3.43 35.47  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 2000 0.0 0.0 0.0  
2001  
2002  
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  
 
DEGREE DAYS  
HEATING  
TODAY 0 5 -5 4  
MONTH TO DATE 32 65 -33 31  
SINCE SEP 1 32 65 -33 31  
SINCE JUL 1 39 74 -35 33  
 
COOLING  
TODAY 6 1 5 0  
MONTH TO DATE 85 90 -5 67  
SINCE SEP 1 85 90 -5 67  
SINCE JAN 1 842 790 52 877    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 63 200 AM  
LOWEST 27 400 PM  
AVERAGE 45  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 87 1986  
MINIMUM TEMPERATURE (F) 53 36 1888  
 
SUNRISE AND SUNSET  
SEPTEMBER 29 2025.....SUNRISE 639 AM EDT SUNSET 629 PM EDT  
SEPTEMBER 30 2025.....SUNRISE 640 AM EDT SUNSET 627 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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