Climatological Report (Daily)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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015
CDUS41 KBOX 190611
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
211 AM EDT WED AUG 19 2026
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR AUGUST 18 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 76 306 PM 95 2002 80 -4 68
2009
MINIMUM 66 555 AM 53 1918 65 1 60
AVERAGE 71 73 -2 64
PRECIPITATION (IN)
YESTERDAY 0.00 4.88 1955 0.10 -0.10 T
MONTH TO DATE 0.52 1.95 -1.43 0.52
SINCE JUN 1 6.61 9.11 -2.50 4.85
SINCE JAN 1 17.10 26.76 -9.66 24.64
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 1
MONTH TO DATE 0 0 0 1
SINCE JUN 1 14 54 -40 45
SINCE JUL 1 0 4 -4 1
COOLING
YESTERDAY 6 8 -2 0
MONTH TO DATE 224 155 69 136
SINCE JUN 1 756 577 179 677
SINCE JAN 1 817 610 207 706
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION E (100)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 5.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1200 AM
LOWEST 74 300 PM
AVERAGE 87
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 95 2019
MINIMUM TEMPERATURE (F) 65 51 1882
SUNRISE AND SUNSET
AUGUST 19 2026........SUNRISE 556 AM EDT SUNSET 739 PM EDT
AUGUST 20 2026........SUNRISE 557 AM EDT SUNSET 738 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$