734   
CDUS41 KBOX 300727  
CLIBOS  
  
CLIMATE REPORT   
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
327 AM EDT TUE SEP 30 2025  
   
...............................  
  
   
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 29 2025  
  
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)                                                            
 YESTERDAY                                                             
  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)                                                      
  YESTERDAY        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)                                                                
  YESTERDAY        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                                                                
  YESTERDAY        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                                                                
  YESTERDAY        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)                                                              
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION   W (260)         
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    SW (230)         
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    SW (230)         
  AVERAGE WIND SPEED     7.0                                          
  
SKY COVER                                                               
  POSSIBLE SUNSHINE  MM                                                   
  AVERAGE SKY COVER 0.5                                                   
  
WEATHER CONDITIONS                                                      
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                           
  NO SIGNIFICANT WEATHER WAS OBSERVED.                                    
  
RELATIVE HUMIDITY (PERCENT)  
 HIGHEST    63           200 AM                                        
 LOWEST     27           400 PM                                        
 AVERAGE    45                                                          
   
......................................................  
  
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
                         NORMAL    RECORD    YEAR                       
 MAXIMUM TEMPERATURE (F)   68        87      1986                        
 MINIMUM TEMPERATURE (F)   53        36      1888                        
  
SUNRISE AND SUNSET                                                      
SEPTEMBER 30 2025.....SUNRISE   640 AM EDT   SUNSET   627 PM EDT       
OCTOBER  1 2025.......SUNRISE   641 AM EDT   SUNSET   625 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 MA Page
The Nexlab RI Page
The Nexlab NH Page
The Nexlab CT Page
 Main Text Page
Main Text Page