823
CDUS41 KBOX 270533
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
133 AM EDT SAT SEP 27 2025
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 26 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 82 156 PM 95 1881 69 13 70
MINIMUM 69 1159 PM 34 1879 55 14 60
AVERAGE 76 62 14 65
PRECIPITATION (IN)
YESTERDAY 0.00 2.12 1918 0.12 -0.12 0.36
MONTH TO DATE 3.08 3.04 0.04 1.33
SINCE SEP 1 3.08 3.04 0.04 1.33
SINCE JAN 1 28.03 31.08 -3.05 35.47
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 4 -4 0
MONTH TO DATE 32 50 -18 26
SINCE SEP 1 32 50 -18 26
SINCE JUL 1 39 59 -20 28
COOLING
YESTERDAY 11 1 10 0
MONTH TO DATE 64 87 -23 61
SINCE SEP 1 64 87 -23 61
SINCE JAN 1 821 787 34 871
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION W (270)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 10.2
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 91 1200 AM
LOWEST 49 200 PM
AVERAGE 70
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 86 1933
1998
2017
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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