750
CDUS41 KBOX 150730
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
330 AM EDT FRI MAY 15 2026
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 14 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 63 1048 AM 86 1879 66 -3 62
2022
MINIMUM 51 959 PM 37 1895 50 1 50
AVERAGE 57 58 -1 56
PRECIPITATION (IN)
YESTERDAY 0.19 3.77 2006 0.10 0.09 0.00
MONTH TO DATE 0.77 1.44 -0.67 3.00
SINCE MAR 1 5.88 9.24 -3.36 10.23
SINCE JAN 1 9.17 15.84 -6.67 15.54
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 MAR 1 1.9 10.6 -8.7 T
SINCE JUL 1 62.8 49.2 13.6 28.1
DEGREE DAYS
HEATING
YESTERDAY 8 8 0 9
MONTH TO DATE 114 132 -18 88
SINCE MAR 1 1329 1456 -127 1207
SINCE JUL 1 5456 5394 62 4966
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 0 6 -6 6
SINCE MAR 1 3 10 -7 12
SINCE JAN 1 3 10 -7 12
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION E (110)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 8.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 400 PM
LOWEST 77 1200 AM
AVERAGE 89
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 93 1900
MINIMUM TEMPERATURE (F) 50 36 1947
SUNRISE AND SUNSET
MAY 15 2026...........SUNRISE 523 AM EDT SUNSET 759 PM EDT
MAY 16 2026...........SUNRISE 522 AM EDT SUNSET 800 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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