096
CDUS41 KBOX 122129
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
429 PM EST FRI DEC 12 2025
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 12 2025
VALID TODAY AS OF 0400 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 36 245 PM 68 1911 43 -7 56
1979
MINIMUM 22 710 AM 2 1988 30 -8 29
AVERAGE 29 37 -8 43
PRECIPITATION (IN)
TODAY 0.00 4.21 1992 0.14 -0.14 0.02
MONTH TO DATE 0.75 1.74 -0.99 3.63
SINCE DEC 1 0.75 1.74 -0.99 3.63
SINCE JAN 1 35.50 41.03 -5.53 43.37
SNOWFALL (IN)
TODAY 0.0 13.0 1960 0.3 -0.3 0.0
MONTH TO DATE T 2.6 -2.6 0.3
SINCE DEC 1 T 2.6 -2.6 0.3
SINCE JUL 1 T 3.5 -3.5 0.3
DEGREE DAYS
HEATING
TODAY 36 28 8 22
MONTH TO DATE 403 322 81 331
SINCE DEC 1 403 322 81 331
SINCE JUL 1 1340 1336 4 1114
COOLING
TODAY 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)
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 18.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 50 600 AM
LOWEST 38 1200 PM
AVERAGE 44
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 63 1984
MINIMUM TEMPERATURE (F) 30 4 1890
1893
1898
SUNRISE AND SUNSET
DECEMBER 12 2025......SUNRISE 704 AM EST SUNSET 412 PM EST
DECEMBER 13 2025......SUNRISE 705 AM EST SUNSET 412 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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