295
CDUS41 KBOX 280527
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
127 AM EDT THU MAY 28 2026
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 27 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 87 MM 96 1880 70 17 74
MINIMUM 64 MM 39 1915 53 11 51
AVERAGE 76 62 14 63
PRECIPITATION (IN)
YESTERDAY 0.05 1.48 1961 0.11 -0.06 0.00
MONTH TO DATE 1.49 2.80 -1.31 7.01
SINCE MAR 1 6.60 10.60 -4.00 14.24
SINCE JAN 1 9.89 17.20 -7.31 19.55
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 0 5 -5 2
MONTH TO DATE 155 214 -59 187
SINCE MAR 1 1370 1538 -168 1306
SINCE JUL 1 5497 5476 21 5065
COOLING
YESTERDAY 11 2 9 0
MONTH TO DATE 52 21 31 16
SINCE MAR 1 55 25 30 22
SINCE JAN 1 55 25 30 22
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION W (270)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 12.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 57 600 AM
LOWEST 22 600 PM
AVERAGE 40
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 92 1931
2016
MINIMUM TEMPERATURE (F) 54 43 1902
1917
SUNRISE AND SUNSET
MAY 28 2026...........SUNRISE 512 AM EDT SUNSET 811 PM EDT
MAY 29 2026...........SUNRISE 511 AM EDT SUNSET 812 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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