381
CDUS41 KBOX 181213
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
813 AM EDT THU JUN 18 2026
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR JUNE 17 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 77 555 PM 95 1894 77 0 68
MINIMUM 60 504 AM 48 1926 60 0 59
AVERAGE 69 69 0 64
PRECIPITATION (IN)
YESTERDAY 0.00 2.26 2001 0.14 -0.14 0.05
MONTH TO DATE 0.31 2.33 -2.02 1.27
SINCE JUN 1 0.31 2.33 -2.02 1.27
SINCE JAN 1 10.80 19.98 -9.18 21.06
SNOWFALL (IN)
YESTERDAY 0.0 T 1952 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 62.8 49.2 13.6 28.1
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 1
MONTH TO DATE 14 42 -28 43
SINCE JUN 1 14 42 -28 43
SINCE JUL 1 5534 5538 -4 5116
COOLING
YESTERDAY 4 5 -1 0
MONTH TO DATE 140 55 85 44
SINCE JUN 1 140 55 85 44
SINCE JAN 1 201 88 113 73
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION S (160)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 10.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 72 500 AM
LOWEST 40 200 PM
AVERAGE 56
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 94 1907
1929
MINIMUM TEMPERATURE (F) 61 47 1920
SUNRISE AND SUNSET
JUNE 18 2026..........SUNRISE 507 AM EDT SUNSET 824 PM EDT
JUNE 19 2026..........SUNRISE 507 AM EDT SUNSET 824 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page