502
CDUS41 KBOX 152126
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
526 PM EDT MON SEP 15 2025
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 15 2025
VALID TODAY AS OF 0500 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 72 1052 AM 94 1915 74 -2 74
MINIMUM 60 254 AM 41 1913 59 1 61
AVERAGE 66 66 0 68
PRECIPITATION (IN)
TODAY 0.00 3.48 1904 0.12 -0.12 0.00
MONTH TO DATE 1.43 1.64 -0.21 T
SINCE SEP 1 1.43 1.64 -0.21 T
SINCE JAN 1 26.38 29.68 -3.30 34.14
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 0
MONTH TO DATE 14 16 -2 1
SINCE SEP 1 14 16 -2 1
SINCE JUL 1 21 25 -4 3
COOLING
TODAY 1 3 -2 3
MONTH TO DATE 35 64 -29 53
SINCE SEP 1 35 64 -29 53
SINCE JAN 1 792 764 28 863
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 7.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 200 AM
LOWEST 70 1100 AM
AVERAGE 82
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 96 1939
MINIMUM TEMPERATURE (F) 58 42 1984
SUNRISE AND SUNSET
SEPTEMBER 15 2025.....SUNRISE 624 AM EDT SUNSET 653 PM EDT
SEPTEMBER 16 2025.....SUNRISE 625 AM EDT SUNSET 652 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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