Climatological Report (Daily)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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CDUS41 KBOX 100535
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
135 AM EDT MON AUG 10 2026
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR AUGUST 9 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 90 353 PM 99 1949 81 9 77
MINIMUM 74 518 AM 53 1899 66 8 61
AVERAGE 82 74 8 69
PRECIPITATION (IN)
YESTERDAY 0.00 3.27 1878 0.11 -0.11 0.00
MONTH TO DATE 0.47 1.01 -0.54 0.28
SINCE JUN 1 6.56 8.17 -1.61 4.61
SINCE JAN 1 17.05 25.82 -8.77 24.40
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 17 9 8 4
MONTH TO DATE 132 81 51 40
SINCE JUN 1 664 503 161 581
SINCE JAN 1 725 536 189 610
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION W (270)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 10.4
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 77 600 AM
LOWEST 39 600 PM
AVERAGE 58
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 101 1949
MINIMUM TEMPERATURE (F) 66 53 1964
SUNRISE AND SUNSET
AUGUST 10 2026........SUNRISE 546 AM EDT SUNSET 752 PM EDT
AUGUST 11 2026........SUNRISE 547 AM EDT SUNSET 751 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$