Climatological Report (Daily)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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CDUS41 KBOX 300533
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
133 AM EDT WED SEP 30 2026
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 29 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 66 MM 88 1952 68 -2 78
MINIMUM 56 MM 34 1914 53 3 63
AVERAGE 61 61 0 71
PRECIPITATION (IN)
YESTERDAY T 2.83 1907 0.13 -0.13 0.00
MONTH TO DATE 5.34 3.43 1.91 3.09
SINCE SEP 1 5.34 3.43 1.91 3.09
SINCE JAN 1 22.90 31.47 -8.57 28.04
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 4 5 -1 0
MONTH TO DATE 81 65 16 32
SINCE SEP 1 81 65 16 32
SINCE JUL 1 81 74 7 39
COOLING
YESTERDAY 0 1 -1 6
MONTH TO DATE 77 90 -13 85
SINCE SEP 1 77 90 -13 85
SINCE JAN 1 994 790 204 842
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION NW (310)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 7.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1000 PM
LOWEST 73 100 PM
AVERAGE 85
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 87 1986
MINIMUM TEMPERATURE (F) 53 36 1888
SUNRISE AND SUNSET
SEPTEMBER 30 2026.....SUNRISE 640 AM EDT SUNSET 627 PM EDT
OCTOBER 1 2026.......SUNRISE 641 AM EDT SUNSET 626 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$