514
CDUS41 KBOX 130704
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
304 AM EDT THU AUG 13 2026
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR AUGUST 12 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 84 231 PM 101 1944 81 3 91
MINIMUM 70 505 AM 53 1930 66 4 73
AVERAGE 77 73 4 82
PRECIPITATION (IN)
YESTERDAY 0.00 2.29 1892 0.11 -0.11 0.00
MONTH TO DATE 0.47 1.33 -0.86 0.28
SINCE JUN 1 6.56 8.49 -1.93 4.61
SINCE JAN 1 17.05 26.14 -9.09 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 12 8 4 17
MONTH TO DATE 174 107 67 81
SINCE JUN 1 706 529 177 622
SINCE JAN 1 767 562 205 651
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION W (280)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 7.7
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 68 300 AM
LOWEST 36 600 PM
AVERAGE 52
......................................................
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 2026........SUNRISE 549 AM EDT SUNSET 748 PM EDT
AUGUST 14 2026........SUNRISE 550 AM EDT SUNSET 747 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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