Climatological Report (Daily)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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CDUS41 KBOX 130530
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
130 AM EDT WED AUG 13 2025
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR AUGUST 12 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 91 1106 AM 101 1944 81 10 79
MINIMUM 73 1159 PM 53 1930 66 7 65
AVERAGE 82 73 9 72
PRECIPITATION (IN)
YESTERDAY 0.00 2.29 1892 0.11 -0.11 0.00
MONTH TO DATE 0.28 1.33 -1.05 2.66
SINCE JUN 1 4.61 8.49 -3.88 8.09
SINCE JAN 1 24.40 26.14 -1.74 33.10
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 JUN 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 1
SINCE JUN 1 44 54 -10 8
SINCE JUL 1 0 4 -4 1
COOLING
YESTERDAY 17 8 9 7
MONTH TO DATE 81 107 -26 134
SINCE JUN 1 622 529 93 672
SINCE JAN 1 651 562 89 718
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (220)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 9.1
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 1000 PM
LOWEST 32 1100 AM
AVERAGE 53
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 100 1944
MINIMUM TEMPERATURE (F) 66 53 1902
SUNRISE AND SUNSET
AUGUST 13 2025........SUNRISE 549 AM EDT SUNSET 748 PM EDT
AUGUST 14 2025........SUNRISE 551 AM EDT SUNSET 746 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$