697
CDUS41 KBOX 201022
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
622 AM EDT SUN SEP 20 2026
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 19 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 62 215 PM 92 1983 72 -10 82
MINIMUM 54 1031 PM 42 1929 57 -3 61
AVERAGE 58 65 -7 72
PRECIPITATION (IN)
YESTERDAY 0.00 1.21 1936 0.12 -0.12 0.00
MONTH TO DATE 1.70 2.15 -0.45 1.55
SINCE SEP 1 1.70 2.15 -0.45 1.55
SINCE JAN 1 19.26 30.19 -10.93 26.50
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 7 3 4 0
MONTH TO DATE 14 25 -11 18
SINCE SEP 1 14 25 -11 18
SINCE JUL 1 14 34 -20 25
COOLING
YESTERDAY 0 2 -2 7
MONTH TO DATE 77 74 3 45
SINCE SEP 1 77 74 3 45
SINCE JAN 1 994 774 220 802
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NE (50)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 8.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 72 900 PM
LOWEST 48 1200 AM
AVERAGE 60
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 97 1983
MINIMUM TEMPERATURE (F) 57 42 1929
1964
1979
SUNRISE AND SUNSET
SEPTEMBER 20 2026.....SUNRISE 629 AM EDT SUNSET 645 PM EDT
SEPTEMBER 21 2026.....SUNRISE 630 AM EDT SUNSET 643 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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