127  
CDUS41 KBOX 310526  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
126 AM EDT FRI JUL 31 2026  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR JULY 30 2026
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1872 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 73 1223 PM 98 1917 82 -9 90  
1933  
MINIMUM 63 538 AM 52 1880 67 -4 71  
AVERAGE 68 74 -6 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.18 2.30 1926 0.12 0.06 0.00  
MONTH TO DATE 4.63 3.16 1.47 2.28  
SINCE JUN 1 6.09 7.05 -0.96 3.60  
SINCE JAN 1 16.58 24.70 -8.12 23.39  
 
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 0 0 0 0  
SINCE JUN 1 14 50 -36 44  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 3 9 -6 16  
MONTH TO DATE 302 279 23 343  
SINCE JUN 1 526 417 109 533  
SINCE JAN 1 587 450 137 562    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION NE (30)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 11.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 200 AM  
LOWEST 76 1200 PM  
AVERAGE 88  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 98 1917  
MINIMUM TEMPERATURE (F) 66 54 1895  
 
SUNRISE AND SUNSET  
JULY 31 2026..........SUNRISE 536 AM EDT SUNSET 805 PM EDT  
AUGUST 1 2026........SUNRISE 537 AM EDT SUNSET 804 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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