902
CDUS41 KBOX 232123
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
523 PM EDT TUE SEP 23 2025
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 23 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 80 1222 PM 96 1895 71 9 65
MINIMUM 60 444 AM 35 1875 56 4 55
1904
AVERAGE 70 63 7 60
PRECIPITATION (IN)
TODAY 0.00 2.64 1994 0.12 -0.12 T
MONTH TO DATE 1.55 2.66 -1.11 0.97
SINCE SEP 1 1.55 2.66 -1.11 0.97
SINCE JAN 1 26.50 30.70 -4.20 35.11
SNOWFALL (IN)
TODAY 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
TODAY 0 4 -4 5
MONTH TO DATE 32 38 -6 18
SINCE SEP 1 32 38 -6 18
SINCE JUL 1 39 47 -8 20
COOLING
TODAY 5 2 3 0
MONTH TO DATE 50 82 -32 61
SINCE SEP 1 50 82 -32 61
SINCE JAN 1 807 782 25 871
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 10.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 300 AM
LOWEST 58 1200 PM
AVERAGE 76
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 90 1959
MINIMUM TEMPERATURE (F) 55 39 1885
1963
1974
SUNRISE AND SUNSET
SEPTEMBER 23 2025.....SUNRISE 633 AM EDT SUNSET 639 PM EDT
SEPTEMBER 24 2025.....SUNRISE 634 AM EDT SUNSET 637 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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