275   
CDUS41 KBOX 220534  
CLIBOS  
  
CLIMATE REPORT   
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
134 AM EDT FRI AUG 22 2025  
   
...............................  
  
   
..THE BOSTON MA CLIMATE SUMMARY FOR AUGUST 21 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         69    230 PM  97    1955  80    -11       76         
  MINIMUM         57    224 AM  52    1876  65     -8       58         
                                      1882                             
  AVERAGE         63                        72     -9       67       
  
PRECIPITATION (IN)                                                      
  YESTERDAY        0.00          1.72 1991   0.10  -0.10      T         
  MONTH TO DATE    0.76                      2.25  -1.49     3.70       
  SINCE JUN 1      5.09                      9.41  -4.32     9.13       
  SINCE JAN 1     24.88                     27.06  -2.18    34.14       
  
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 JUN 1      0.0                       0.0    0.0      0.0        
  SINCE JUL 1      0.0                       0.0    0.0      0.0        
  
DEGREE DAYS                                                             
 HEATING                                                                
  YESTERDAY        2                         0      2        0          
  MONTH TO DATE    7                         0      7        1          
  SINCE JUN 1     51                        54     -3        8          
  SINCE JUL 1      7                         4      3        1          
  
 COOLING                                                                
  YESTERDAY        0                         8     -8        2          
  MONTH TO DATE  136                       179    -43      171          
  SINCE JUN 1    677                       601     76      709          
  SINCE JAN 1    706                       634     72      755           
...............................................................  
  
WIND (MPH)                                                              
  RESULTANT WIND SPEED  12   RESULTANT WIND DIRECTION  NE (30)          
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    NE (50)          
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION    NE (50)          
  AVERAGE WIND SPEED    13.7                                          
  
SKY COVER                                                               
  POSSIBLE SUNSHINE  MM                                                   
  AVERAGE SKY COVER 0.7                                                   
  
WEATHER CONDITIONS                                                      
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                           
  NO SIGNIFICANT WEATHER WAS OBSERVED.                                    
  
RELATIVE HUMIDITY (PERCENT)  
 HIGHEST    90           400 AM                                        
 LOWEST     68           200 PM                                        
 AVERAGE    79                                                          
   
......................................................  
  
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
                         NORMAL    RECORD    YEAR                       
 MAXIMUM TEMPERATURE (F)   80        93      1955                        
                                             2003                       
                                             2019                       
 MINIMUM TEMPERATURE (F)   65        47      1894                        
  
SUNRISE AND SUNSET                                                      
AUGUST 22 2025........SUNRISE   559 AM EDT   SUNSET   734 PM EDT       
AUGUST 23 2025........SUNRISE   600 AM EDT   SUNSET   732 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