914
CDUS41 KBOX 190534
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
134 AM EDT FRI SEP 19 2025
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 18 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 74 219 PM 90 1891 72 2 72
1906
1955
MINIMUM 62 624 AM 43 1875 58 4 60
AVERAGE 68 65 3 66
PRECIPITATION (IN)
YESTERDAY 0.11 2.87 2004 0.13 -0.02 0.00
MONTH TO DATE 1.55 2.03 -0.48 T
SINCE SEP 1 1.55 2.03 -0.48 T
SINCE JAN 1 26.50 30.07 -3.57 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 18 22 -4 1
SINCE SEP 1 18 22 -4 1
SINCE JUL 1 25 31 -6 3
COOLING
YESTERDAY 3 2 1 1
MONTH TO DATE 38 72 -34 57
SINCE SEP 1 38 72 -34 57
SINCE JAN 1 795 772 23 867
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 0 RESULTANT WIND DIRECTION SE (130)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 6.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1200 AM
LOWEST 73 200 PM
AVERAGE 85
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 92 1983
MINIMUM TEMPERATURE (F) 57 42 1929
SUNRISE AND SUNSET
SEPTEMBER 19 2025.....SUNRISE 629 AM EDT SUNSET 646 PM EDT
SEPTEMBER 20 2025.....SUNRISE 630 AM EDT SUNSET 644 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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