117
CDUS41 KBOX 132123
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
423 PM EST SAT DEC 13 2025
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 13 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 37 252 PM 63 1984 43 -6 33
MINIMUM 27 657 AM 4 1890 30 -3 25
1893
1898
AVERAGE 32 36 -4 29
PRECIPITATION (IN)
TODAY 0.00 1.67 1873 0.14 -0.14 0.00
MONTH TO DATE 0.75 1.88 -1.13 3.63
SINCE DEC 1 0.75 1.88 -1.13 3.63
SINCE JAN 1 35.50 41.17 -5.67 43.37
SNOWFALL (IN)
TODAY 0.0 10.1 2007 0.3 -0.3 0.0
MONTH TO DATE T 2.9 -2.9 0.3
SINCE DEC 1 T 2.9 -2.9 0.3
SINCE JUL 1 T 3.8 -3.8 0.3
DEGREE DAYS
HEATING
TODAY 33 29 4 36
MONTH TO DATE 436 351 85 367
SINCE DEC 1 436 351 85 367
SINCE JUL 1 1373 1365 8 1150
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 23 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 11.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 65 400 AM
LOWEST 48 100 PM
AVERAGE 57
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 66 1881
MINIMUM TEMPERATURE (F) 30 0 1893
1898
SUNRISE AND SUNSET
DECEMBER 13 2025......SUNRISE 705 AM EST SUNSET 412 PM EST
DECEMBER 14 2025......SUNRISE 706 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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