877  
CDUS41 KBOX 222343  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
743 PM EDT THU MAY 22 2025  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 22 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 48 1038 AM 93 1959 68 -20 89  
MINIMUM 46 359 PM 39 1894 52 -6 61  
AVERAGE 47 60 -13 75  
 
PRECIPITATION (IN)  
TODAY 0.77 3.23 1920 0.10 0.67 0.00  
MONTH TO DATE 4.12 2.23 1.89 2.72  
SINCE MAR 1 11.35 10.03 1.32 14.62  
SINCE JAN 1 16.66 16.63 0.03 22.91  
 
SNOWFALL (IN)  
TODAY 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 MAR 1 T 10.6 -10.6 0.1  
SINCE JUL 1 28.1 49.2 -21.1 9.8  
 
DEGREE DAYS  
HEATING  
TODAY 18 6 12 0  
MONTH TO DATE 145 186 -41 192  
SINCE MAR 1 1264 1510 -246 1373  
SINCE JUL 1 5023 5448 -425 4858  
 
COOLING  
TODAY 0 1 -1 10  
MONTH TO DATE 16 14 2 14  
SINCE MAR 1 22 18 4 14  
SINCE JAN 1 22 18 4 14    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 19.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 400 PM  
LOWEST 80 100 AM  
AVERAGE 88  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 93 1964  
MINIMUM TEMPERATURE (F) 52 40 1876  
1882  
1967  
 
SUNRISE AND SUNSET  
MAY 22 2025...........SUNRISE 516 AM EDT SUNSET 806 PM EDT  
MAY 23 2025...........SUNRISE 515 AM EDT SUNSET 807 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