913
CDUS41 KBOX 112130
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
430 PM EST THU DEC 11 2025
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 11 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 40 207 AM 68 1911 43 -3 62
MINIMUM 30 359 PM -2 1876 31 -1 37
AVERAGE 35 37 -2 50
PRECIPITATION (IN)
TODAY 0.00 2.76 2024 0.14 -0.14 2.76
MONTH TO DATE 0.75 1.60 -0.85 3.61
SINCE DEC 1 0.75 1.60 -0.85 3.61
SINCE JAN 1 35.50 40.89 -5.39 43.35
SNOWFALL (IN)
TODAY 0.0 2.8 2019 0.2 -0.2 0.0
MONTH TO DATE T 2.3 -2.3 0.3
SINCE DEC 1 T 2.3 -2.3 0.3
SINCE JUL 1 T 3.2 -3.2 0.3
DEGREE DAYS
HEATING
TODAY 30 28 2 15
MONTH TO DATE 365 294 71 309
SINCE DEC 1 365 294 71 309
SINCE JUL 1 1302 1308 -6 1092
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 36 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 49 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 20.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 1200 AM
LOWEST 26 1200 PM
AVERAGE 58
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 68 1911
1979
MINIMUM TEMPERATURE (F) 30 2 1988
SUNRISE AND SUNSET
DECEMBER 11 2025......SUNRISE 703 AM EST SUNSET 412 PM EST
DECEMBER 12 2025......SUNRISE 704 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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