221
CDUS41 KBOX 150526
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1226 AM EST MON DEC 15 2025
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 14 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 35 123 AM 66 1881 43 -8 35
MINIMUM 18 1159 PM 0 1893 30 -12 23
1898
AVERAGE 27 36 -9 29
PRECIPITATION (IN)
YESTERDAY 0.07 1.99 2002 0.14 -0.07 0.00
MONTH TO DATE 0.82 2.02 -1.20 3.63
SINCE DEC 1 0.82 2.02 -1.20 3.63
SINCE JAN 1 35.57 41.31 -5.74 43.37
SNOWFALL (IN)
YESTERDAY 1.3 6.5 1995 0.2 1.1 0.0
MONTH TO DATE 1.3 3.1 -1.8 0.3
SINCE DEC 1 1.3 3.1 -1.8 0.3
SINCE JUL 1 1.3 4.0 -2.7 0.3
DEGREE DAYS
HEATING
YESTERDAY 38 29 9 36
MONTH TO DATE 474 380 94 403
SINCE DEC 1 474 380 94 403
SINCE JUL 1 1411 1394 17 1186
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 9 RESULTANT WIND DIRECTION NW (320)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 11.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 700 AM
LOWEST 41 1000 PM
AVERAGE 69
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 42 66 1975
MINIMUM TEMPERATURE (F) 29 -2 1874
SUNRISE AND SUNSET
DECEMBER 15 2025......SUNRISE 706 AM EST SUNSET 412 PM EST
DECEMBER 16 2025......SUNRISE 707 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.
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