493
CDUS41 KBOX 160615
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
215 AM EDT WED SEP 16 2026
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 15 2026
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)
YESTERDAY
MAXIMUM 66 1159 AM 94 1915 74 -8 72
MINIMUM 53 451 AM 41 1913 59 -6 60
AVERAGE 60 66 -6 66
PRECIPITATION (IN)
YESTERDAY 0.00 3.48 1904 0.12 -0.12 0.00
MONTH TO DATE 1.70 1.64 0.06 1.43
SINCE SEP 1 1.70 1.64 0.06 1.43
SINCE JAN 1 19.26 29.68 -10.42 26.38
SNOWFALL (IN)
YESTERDAY 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
YESTERDAY 5 2 3 0
MONTH TO DATE 7 16 -9 14
SINCE SEP 1 7 16 -9 14
SINCE JUL 1 7 25 -18 21
COOLING
YESTERDAY 0 3 -3 1
MONTH TO DATE 63 64 -1 35
SINCE SEP 1 63 64 -1 35
SINCE JAN 1 980 764 216 792
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WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION E (80)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 8.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 1100 PM
LOWEST 57 1200 AM
AVERAGE 69
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THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 96 1939
MINIMUM TEMPERATURE (F) 58 42 1984
SUNRISE AND SUNSET
SEPTEMBER 16 2026.....SUNRISE 625 AM EDT SUNSET 652 PM EDT
SEPTEMBER 17 2026.....SUNRISE 626 AM EDT SUNSET 650 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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