675
CDUS41 KBOX 202128
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
528 PM EDT THU AUG 20 2026
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR AUGUST 20 2026
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 85 1142 AM 98 1937 80 5 66
MINIMUM 71 510 AM 52 1882 65 6 56
1896
1905
AVERAGE 78 72 6 61
PRECIPITATION (IN)
TODAY T 2.10 1894 0.10 -0.10 0.24
MONTH TO DATE 0.52 2.15 -1.63 0.76
SINCE JUN 1 6.61 9.31 -2.70 5.09
SINCE JAN 1 17.10 26.96 -9.86 24.88
SNOWFALL (IN)
TODAY 0.0 T 1951 0.0 0.0 0.0
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
TODAY 0 0 0 4
MONTH TO DATE 0 0 0 5
SINCE JUN 1 14 54 -40 49
SINCE JUL 1 0 4 -4 5
COOLING
TODAY 13 8 5 0
MONTH TO DATE 251 171 80 136
SINCE JUN 1 783 593 190 677
SINCE JAN 1 844 626 218 706
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 8.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 400 AM
LOWEST 48 1200 PM
AVERAGE 62
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 97 1955
MINIMUM TEMPERATURE (F) 65 52 1876
1882
SUNRISE AND SUNSET
AUGUST 20 2026........SUNRISE 557 AM EDT SUNSET 738 PM EDT
AUGUST 21 2026........SUNRISE 558 AM EDT SUNSET 736 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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