583
CDUS41 KBOX 150531
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
131 AM EDT MON SEP 15 2025
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 14 2025
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)
YESTERDAY
MAXIMUM 75 1156 AM 92 1915 74 1 76
1931
MINIMUM 59 549 AM 40 1884 59 0 63
AVERAGE 67 66 1 70
PRECIPITATION (IN)
YESTERDAY 0.00 2.46 1944 0.12 -0.12 0.00
MONTH TO DATE 1.43 1.52 -0.09 T
SINCE SEP 1 1.43 1.52 -0.09 T
SINCE JAN 1 26.38 29.56 -3.18 34.14
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 0 2 -2 0
MONTH TO DATE 14 14 0 1
SINCE SEP 1 14 14 0 1
SINCE JUL 1 21 23 -2 3
COOLING
YESTERDAY 2 3 -1 5
MONTH TO DATE 34 61 -27 50
SINCE SEP 1 34 61 -27 50
SINCE JAN 1 791 761 30 860
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SE (150)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (130)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 5.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 400 AM
LOWEST 55 1000 AM
AVERAGE 74
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 94 1915
MINIMUM TEMPERATURE (F) 59 41 1913
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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