Climatological Report (Daily)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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CDUS41 KBOX 180525
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
125 AM EDT SAT OCT 18 2025
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 17 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 61 202 PM 89 1947 62 -1 55
MINIMUM 46 637 AM 27 1886 47 -1 40
AVERAGE 54 54 0 48
PRECIPITATION (IN)
YESTERDAY 0.00 1.18 1989 0.13 -0.13 0.00
MONTH TO DATE 3.27 2.18 1.09 0.69
SINCE SEP 1 6.36 5.74 0.62 2.02
SINCE JAN 1 31.31 33.78 -2.47 36.16
SNOWFALL (IN)
YESTERDAY 0.0 T 1970 0.0 0.0 0.0
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 11 11 0 17
MONTH TO DATE 125 141 -16 143
SINCE SEP 1 157 212 -55 178
SINCE JUL 1 164 221 -57 180
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 6 RESULTANT WIND DIRECTION N (350)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 8.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 74 700 PM
LOWEST 44 100 PM
AVERAGE 59
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 61 82 1947
MINIMUM TEMPERATURE (F) 47 31 1883
1939
SUNRISE AND SUNSET
OCTOBER 18 2025.......SUNRISE 701 AM EDT SUNSET 557 PM EDT
OCTOBER 19 2025.......SUNRISE 702 AM EDT SUNSET 555 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$