933  
CDUS41 KBOX 312126  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
526 PM EDT THU JUL 31 2025  
   
...............................  
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR JULY 31 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 84 1200 AM 98 1917 82 2 86  
MINIMUM 64 400 PM 54 1895 66 -2 69  
AVERAGE 74 74 0 78  
 
PRECIPITATION (IN)  
TODAY 0.07 1.85 1876 0.11 -0.04 0.20  
MONTH TO DATE 2.35 3.27 -0.92 1.39  
SINCE JUN 1 3.67 7.16 -3.49 5.43  
SINCE JAN 1 23.46 24.81 -1.35 30.44  
 
SNOWFALL (IN)  
TODAY 0.0 T 1954 0.0 0.0 0.0  
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  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 44 50 -6 7  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 9 9 0 13  
MONTH TO DATE 352 284 68 348  
SINCE JUN 1 542 422 120 538  
SINCE JAN 1 571 455 116 584    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 10.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 400 PM  
LOWEST 48 1200 AM  
AVERAGE 71  
   
......................................................  
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 98 1917  
1955  
1975  
MINIMUM TEMPERATURE (F) 66 54 1891  
 
SUNRISE AND SUNSET  
JULY 31 2025..........SUNRISE 536 AM EDT SUNSET 804 PM EDT  
AUGUST 1 2025........SUNRISE 537 AM EDT SUNSET 803 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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