Climatological Report (Daily)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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797
CDUS41 KBOX 170527
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
127 AM EDT SUN AUG 17 2025
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR AUGUST 16 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 79 205 PM 97 1944 81 -2 72
MINIMUM 63 522 AM 47 1880 65 -2 64
AVERAGE 71 73 -2 68
PRECIPITATION (IN)
YESTERDAY 0.00 1.77 1872 0.11 -0.11 0.00
MONTH TO DATE 0.52 1.75 -1.23 3.55
SINCE JUN 1 4.85 8.91 -4.06 8.98
SINCE JAN 1 24.64 26.56 -1.92 33.99
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 6 8 -2 3
MONTH TO DATE 121 139 -18 160
SINCE JUN 1 662 561 101 698
SINCE JAN 1 691 594 97 744
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SE (130)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 9.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 600 AM
LOWEST 41 200 PM
AVERAGE 64
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 97 1944
MINIMUM TEMPERATURE (F) 65 51 1934
SUNRISE AND SUNSET
AUGUST 17 2025........SUNRISE 554 AM EDT SUNSET 742 PM EDT
AUGUST 18 2025........SUNRISE 555 AM EDT SUNSET 740 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$