349
CDUS41 KBOX 210526
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
126 AM EDT TUE OCT 21 2025
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 20 2025
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)
YESTERDAY
MAXIMUM 67 918 AM 79 1969 61 6 77
MINIMUM 54 1137 PM 32 1900 46 8 45
1972
1974
AVERAGE 61 53 8 61
PRECIPITATION (IN)
YESTERDAY 0.62 6.11 1996 0.14 0.48 0.00
MONTH TO DATE 3.89 2.59 1.30 0.69
SINCE SEP 1 6.98 6.15 0.83 2.02
SINCE JAN 1 31.93 34.19 -2.26 36.16
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2007 0.1 -0.1 0.0
2008
2009
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
YESTERDAY 4 12 -8 4
MONTH TO DATE 147 175 -28 170
SINCE SEP 1 179 246 -67 205
SINCE JUL 1 186 255 -69 207
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 23 6 17 0
SINCE SEP 1 108 97 11 67
SINCE JAN 1 865 797 68 877
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION S (170)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 12.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1000 AM
LOWEST 72 500 PM
AVERAGE 83
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 83 2024
MINIMUM TEMPERATURE (F) 46 30 1974
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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