Climatological Report (Daily)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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CDUS41 KBOX 170658
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
258 AM EDT MON AUG 17 2026
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR AUGUST 16 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 81 408 PM 97 1944 81 0 79
MINIMUM 62 525 AM 47 1880 65 -3 63
AVERAGE 72 73 -1 71
PRECIPITATION (IN)
YESTERDAY 0.00 1.77 1872 0.11 -0.11 0.00
MONTH TO DATE 0.47 1.75 -1.28 0.52
SINCE JUN 1 6.56 8.91 -2.35 4.85
SINCE JAN 1 17.05 26.56 -9.51 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 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 14 54 -40 44
SINCE JUL 1 0 4 -4 0
COOLING
YESTERDAY 7 8 -1 6
MONTH TO DATE 212 139 73 121
SINCE JUN 1 744 561 183 662
SINCE JAN 1 805 594 211 691
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (160)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 9.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 73 900 PM
LOWEST 45 400 PM
AVERAGE 59
..........................................................
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 2026........SUNRISE 553 AM EDT SUNSET 742 PM EDT
AUGUST 18 2026........SUNRISE 555 AM EDT SUNSET 741 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$