Climatological Report (Daily)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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CDUS41 KBOX 250529
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
129 AM EDT FRI SEP 25 2026
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 24 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 65 1250 PM 90 1959 70 -5 66
MINIMUM 49 543 AM 39 1885 55 -6 63
1963
1974
AVERAGE 57 63 -6 65
PRECIPITATION (IN)
YESTERDAY 0.00 1.25 1955 0.13 -0.13 0.11
MONTH TO DATE 1.81 2.79 -0.98 1.66
SINCE SEP 1 1.81 2.79 -0.98 1.66
SINCE JAN 1 19.37 30.83 -11.46 26.61
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 8 4 4 0
MONTH TO DATE 47 42 5 32
SINCE SEP 1 47 42 5 32
SINCE JUL 1 47 51 -4 39
COOLING
YESTERDAY 0 2 -2 0
MONTH TO DATE 77 84 -7 50
SINCE SEP 1 77 84 -7 50
SINCE JAN 1 994 784 210 807
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION NE (30)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 12.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 400 AM
LOWEST 45 100 PM
AVERAGE 69
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 89 1926
MINIMUM TEMPERATURE (F) 55 38 1950
SUNRISE AND SUNSET
SEPTEMBER 25 2026.....SUNRISE 635 AM EDT SUNSET 636 PM EDT
SEPTEMBER 26 2026.....SUNRISE 636 AM EDT SUNSET 634 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$