946   
CDUS41 KBOX 200618  
CLIBOS  
  
CLIMATE REPORT   
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
218 AM EDT WED AUG 20 2025  
   
...............................  
  
   
..THE BOSTON MA CLIMATE SUMMARY FOR AUGUST 19 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         71    347 PM  95    2019  80     -9       75         
  MINIMUM         59    412 AM  51    1882  65     -6       65         
  AVERAGE         65                        73     -8       70       
  
PRECIPITATION (IN)                                                      
  YESTERDAY        0.00          7.06 1955   0.10  -0.10     0.11       
  MONTH TO DATE    0.52                      2.05  -1.53     3.69       
  SINCE JUN 1      4.85                      9.21  -4.36     9.12       
  SINCE JAN 1     24.64                     26.86  -2.22    34.13       
  
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        0                         0      0        0          
  MONTH TO DATE    1                         0      1        1          
  SINCE JUN 1     45                        54     -9        8          
  SINCE JUL 1      1                         4     -3        1          
  
 COOLING                                                                
  YESTERDAY        0                         8     -8        5          
  MONTH TO DATE  136                       163    -27      169          
  SINCE JUN 1    677                       585     92      707          
  SINCE JAN 1    706                       618     88      753           
...............................................................  
  
WIND (MPH)                                                              
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   E (100)         
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     E (110)         
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     E (110)         
  AVERAGE WIND SPEED     7.9                                          
  
SKY COVER                                                               
  POSSIBLE SUNSHINE  MM                                                   
  AVERAGE SKY COVER 0.8                                                   
  
WEATHER CONDITIONS                                                      
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                           
  NO SIGNIFICANT WEATHER WAS OBSERVED.                                    
  
RELATIVE HUMIDITY (PERCENT)  
 HIGHEST    72           900 PM                                        
 LOWEST     42           300 PM                                        
 AVERAGE    57                                                          
   
......................................................  
  
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
                         NORMAL    RECORD    YEAR                       
 MAXIMUM TEMPERATURE (F)   80        98      1937                        
 MINIMUM TEMPERATURE (F)   65        52      1882                        
                                             1896                       
                                             1905                       
  
SUNRISE AND SUNSET                                                      
AUGUST 20 2025........SUNRISE   557 AM EDT   SUNSET   737 PM EDT       
AUGUST 21 2025........SUNRISE   558 AM EDT   SUNSET   736 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