754
CDUS41 KBOX 212234
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
634 PM EDT FRI AUG 21 2026
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR AUGUST 21 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 71 104 PM 97 1955 80 -9 69
MINIMUM 66 753 AM 52 1876 65 1 57
1882
AVERAGE 69 72 -3 63
PRECIPITATION (IN)
TODAY 0.01 1.72 1991 0.10 -0.09 0.00
MONTH TO DATE 0.60 2.25 -1.65 0.76
SINCE JUN 1 6.69 9.41 -2.72 5.09
SINCE JAN 1 17.18 27.06 -9.88 24.88
SNOWFALL (IN)
TODAY 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
TODAY 0 0 0 2
MONTH TO DATE 0 0 0 7
SINCE JUN 1 14 54 -40 51
SINCE JUL 1 0 4 -4 7
COOLING
TODAY 4 8 -4 0
MONTH TO DATE 252 179 73 136
SINCE JUN 1 784 601 183 677
SINCE JAN 1 845 634 211 706
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 9.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 800 AM
LOWEST 73 1200 PM
AVERAGE 83
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 93 1955
2003
2019
MINIMUM TEMPERATURE (F) 65 47 1894
SUNRISE AND SUNSET
AUGUST 21 2026........SUNRISE 558 AM EDT SUNSET 736 PM EDT
AUGUST 22 2026........SUNRISE 559 AM EDT SUNSET 734 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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