183
CDUS41 KBOX 172141
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
541 PM EDT THU SEP 17 2026
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 17 2026
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 75 1006 AM 91 1915 73 2 70
MINIMUM 64 554 AM 44 2013 58 6 56
AVERAGE 70 65 5 63
PRECIPITATION (IN)
TODAY 0.00 2.77 1995 0.13 -0.13 0.01
MONTH TO DATE 1.70 1.90 -0.20 1.44
SINCE SEP 1 1.70 1.90 -0.20 1.44
SINCE JAN 1 19.26 29.94 -10.68 26.39
SNOWFALL (IN)
TODAY 0.0 0.0 2000 0.0 0.0 0.0
2001
2002
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
DEGREE DAYS
HEATING
TODAY 0 2 -2 2
MONTH TO DATE 7 20 -13 18
SINCE SEP 1 7 20 -13 18
SINCE JUL 1 7 29 -22 25
COOLING
TODAY 5 3 2 0
MONTH TO DATE 71 70 1 35
SINCE SEP 1 71 70 1 35
SINCE JAN 1 988 770 218 792
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 4.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 600 AM
LOWEST 71 1000 AM
AVERAGE 84
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 90 1891
1906
1955
MINIMUM TEMPERATURE (F) 58 43 1875
SUNRISE AND SUNSET
SEPTEMBER 17 2026.....SUNRISE 626 AM EDT SUNSET 650 PM EDT
SEPTEMBER 18 2026.....SUNRISE 627 AM EDT SUNSET 648 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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