Climatological Report (Daily)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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CDUS41 KBOX 110531
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
131 AM EDT FRI SEP 11 2026
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 10 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 87 323 PM 95 1931 75 12 68
MINIMUM 71 1159 PM 41 1883 60 11 57
AVERAGE 79 68 11 63
PRECIPITATION (IN)
YESTERDAY 0.01 4.71 1999 0.11 -0.10 0.00
MONTH TO DATE 0.86 1.06 -0.20 1.43
SINCE SEP 1 0.86 1.06 -0.20 1.43
SINCE JAN 1 18.42 29.10 -10.68 26.38
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 1 -1 2
MONTH TO DATE 1 8 -7 10
SINCE SEP 1 1 8 -7 10
SINCE JUL 1 1 17 -16 17
COOLING
YESTERDAY 14 4 10 0
MONTH TO DATE 54 48 6 32
SINCE SEP 1 54 48 6 32
SINCE JAN 1 971 748 223 789
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 16 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 17.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 1200 AM
LOWEST 31 400 PM
AVERAGE 54
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 99 1983
MINIMUM TEMPERATURE (F) 60 40 1917
SUNRISE AND SUNSET
SEPTEMBER 11 2026.....SUNRISE 620 AM EDT SUNSET 701 PM EDT
SEPTEMBER 12 2026.....SUNRISE 621 AM EDT SUNSET 659 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$