855
CDUS41 KBOX 202122
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
422 PM EST SAT DEC 20 2025
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 20 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 38 253 PM 63 1957 41 -3 37
MINIMUM 32 807 AM -11 1875 28 4 26
1942
AVERAGE 35 35 0 32
PRECIPITATION (IN)
TODAY 0.00 1.35 1936 0.13 -0.13 0.51
MONTH TO DATE 1.28 2.86 -1.58 5.01
SINCE DEC 1 1.28 2.86 -1.58 5.01
SINCE JAN 1 36.03 42.15 -6.12 44.75
SNOWFALL (IN)
TODAY 0.0 10.0 2009 0.3 -0.3 5.2
MONTH TO DATE 1.3 4.9 -3.6 5.5
SINCE DEC 1 1.3 4.9 -3.6 5.5
SINCE JUL 1 1.3 5.8 -4.5 5.5
DEGREE DAYS
HEATING
TODAY 30 30 0 33
MONTH TO DATE 654 558 96 557
SINCE DEC 1 654 558 96 557
SINCE JUL 1 1591 1572 19 1340
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 32 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 48 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 14.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 54 100 AM
LOWEST 33 100 PM
AVERAGE 44
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 41 65 2018
MINIMUM TEMPERATURE (F) 28 -5 1942
SUNRISE AND SUNSET
DECEMBER 20 2025......SUNRISE 710 AM EST SUNSET 414 PM EST
DECEMBER 21 2025......SUNRISE 710 AM EST SUNSET 415 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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