625
CDUS41 KBOX 272128
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
528 PM EDT SAT SEP 27 2025
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 27 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 76 1037 AM 86 1933 69 7 80
1998
2017
MINIMUM 64 552 AM 37 1947 54 10 62
AVERAGE 70 62 8 71
PRECIPITATION (IN)
TODAY 0.00 2.37 1962 0.13 -0.13 0.00
MONTH TO DATE 3.08 3.17 -0.09 1.33
SINCE SEP 1 3.08 3.17 -0.09 1.33
SINCE JAN 1 28.03 31.21 -3.18 35.47
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 5 -5 0
MONTH TO DATE 32 55 -23 26
SINCE SEP 1 32 55 -23 26
SINCE JUL 1 39 64 -25 28
COOLING
TODAY 5 1 4 6
MONTH TO DATE 69 88 -19 67
SINCE SEP 1 69 88 -19 67
SINCE JAN 1 826 788 38 877
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 9.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 400 AM
LOWEST 60 1000 AM
AVERAGE 72
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 90 1873
1881
MINIMUM TEMPERATURE (F) 54 37 1947
SUNRISE AND SUNSET
SEPTEMBER 27 2025.....SUNRISE 637 AM EDT SUNSET 632 PM EDT
SEPTEMBER 28 2025.....SUNRISE 638 AM EDT SUNSET 630 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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