808
CDUS41 KBOX 212145
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
545 PM EDT TUE OCT 21 2025
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 21 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 67 313 PM 83 2024 60 7 83
MINIMUM 51 645 AM 30 1974 46 5 52
AVERAGE 59 53 6 68
PRECIPITATION (IN)
TODAY 0.00 1.78 1944 0.13 -0.13 0.00
1996
MONTH TO DATE 3.89 2.72 1.17 0.69
SINCE SEP 1 6.98 6.28 0.70 2.02
SINCE JAN 1 31.93 34.32 -2.39 36.16
SNOWFALL (IN)
TODAY 0.0 T 1964 0.0 0.0 0.0
MONTH TO DATE 0.0 0.1 -0.1 0.0
SINCE SEP 1 0.0 0.1 -0.1 0.0
SINCE JUL 1 0.0 0.1 -0.1 0.0
DEGREE DAYS
HEATING
TODAY 6 12 -6 0
MONTH TO DATE 153 187 -34 170
SINCE SEP 1 185 258 -73 205
SINCE JUL 1 192 267 -75 207
COOLING
TODAY 0 0 0 3
MONTH TO DATE 23 6 17 3
SINCE SEP 1 108 97 11 70
SINCE JAN 1 865 797 68 880
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 12.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77 300 AM
LOWEST 35 300 PM
AVERAGE 56
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 83 1979
MINIMUM TEMPERATURE (F) 46 28 1940
SUNRISE AND SUNSET
OCTOBER 21 2025.......SUNRISE 704 AM EDT SUNSET 552 PM EDT
OCTOBER 22 2025.......SUNRISE 706 AM EDT SUNSET 551 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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