401
CDUS41 KBOX 170526
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1226 AM EST WED DEC 17 2025
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 16 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 36 239 PM 64 1971 42 -6 45
MINIMUM 23 332 AM 1 1876 29 -6 32
1883
AVERAGE 30 36 -6 39
PRECIPITATION (IN)
YESTERDAY 0.00 1.81 1960 0.14 -0.14 T
MONTH TO DATE 0.82 2.30 -1.48 3.63
SINCE DEC 1 0.82 2.30 -1.48 3.63
SINCE JAN 1 35.57 41.59 -6.02 43.37
SNOWFALL (IN)
YESTERDAY 0.0 7.6 2007 0.3 -0.3 0.0
MONTH TO DATE 1.3 3.7 -2.4 0.3
SINCE DEC 1 1.3 3.7 -2.4 0.3
SINCE JUL 1 1.3 4.6 -3.3 0.3
DEGREE DAYS
HEATING
YESTERDAY 35 29 6 26
MONTH TO DATE 554 438 116 465
SINCE DEC 1 554 438 116 465
SINCE JUL 1 1491 1452 39 1248
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 865 800 65 891
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (230)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 9.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 65 300 AM
LOWEST 41 100 PM
AVERAGE 53
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 42 64 2000
MINIMUM TEMPERATURE (F) 29 -4 1876
1919
SUNRISE AND SUNSET
DECEMBER 17 2025......SUNRISE 708 AM EST SUNSET 413 PM EST
DECEMBER 18 2025......SUNRISE 708 AM EST SUNSET 413 PM EST
- 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.
Main Text Page