Climatological Report (Daily)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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CDUS41 KBOX 312123
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
423 PM EST WED DEC 31 2025
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 31 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 34 1246 PM 65 1932 39 -5 52
MINIMUM 24 734 AM -8 1917 25 -1 38
AVERAGE 29 32 -3 45
PRECIPITATION (IN)
TODAY 0.00 1.68 1906 0.12 -0.12 0.00
MONTH TO DATE 2.39 4.30 -1.91 5.65
SINCE DEC 1 2.39 4.30 -1.91 5.65
SINCE JAN 1 37.14 43.59 -6.45 45.39
SNOWFALL (IN)
TODAY 0.0 90.0 2020 0.4 -0.4 0.0
MONTH TO DATE 4.3 9.0 -4.7 5.7
SINCE DEC 1 4.3 9.0 -4.7 5.7
SINCE JUL 1 4.3 9.9 -5.6 5.7
DEGREE DAYS
HEATING
TODAY 36 33 3 20
MONTH TO DATE 1037 909 128 911
SINCE DEC 1 1037 909 128 911
SINCE JUL 1 1974 1923 51 1694
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 (260)
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 14.8
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 52 700 AM
LOWEST 33 300 PM
AVERAGE 43
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 38 70 1876
MINIMUM TEMPERATURE (F) 25 -3 1918
SUNRISE AND SUNSET
DECEMBER 31 2025......SUNRISE 713 AM EST SUNSET 421 PM EST
JANUARY 1 2026.......SUNRISE 713 AM EST SUNSET 422 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$