267  
CDUS41 KBOX 120531  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
131 AM EDT WED AUG 12 2026  
   
...............................  
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR AUGUST 11 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 89 317 PM 99 1944 81 8 90  
MINIMUM 74 540 AM 54 1879 66 8 70  
AVERAGE 82 74 8 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.80 1990 0.11 -0.11 0.00  
MONTH TO DATE 0.47 1.22 -0.75 0.28  
SINCE JUN 1 6.56 8.38 -1.82 4.61  
SINCE JAN 1 17.05 26.03 -8.98 24.40  
 
SNOWFALL (IN)  
YESTERDAY 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  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 14 54 -40 44  
SINCE JUL 1 0 4 -4 0  
 
COOLING  
YESTERDAY 17 9 8 15  
MONTH TO DATE 162 99 63 64  
SINCE JUN 1 694 521 173 605  
SINCE JAN 1 755 554 201 634    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 9.8  
 
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 76 300 AM  
LOWEST 36 300 PM  
AVERAGE 56  
   
......................................................  
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 101 1944  
MINIMUM TEMPERATURE (F) 66 53 1930  
 
SUNRISE AND SUNSET  
AUGUST 12 2026........SUNRISE 548 AM EDT SUNSET 749 PM EDT  
AUGUST 13 2026........SUNRISE 549 AM EDT SUNSET 748 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