715
CDUS41 KBOX 272122
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
522 PM EDT WED MAY 27 2026
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 27 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 87 339 PM 96 1880 70 17 74
MINIMUM 67 227 AM 39 1915 53 14 51
AVERAGE 77 62 15 63
PRECIPITATION (IN)
TODAY 0.00 1.48 1961 0.11 -0.11 0.00
MONTH TO DATE 1.44 2.80 -1.36 7.01
SINCE MAR 1 6.55 10.60 -4.05 14.24
SINCE JAN 1 9.84 17.20 -7.36 19.55
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 MAR 1 1.9 10.6 -8.7 T
SINCE JUL 1 62.8 49.2 13.6 28.1
DEGREE DAYS
HEATING
TODAY 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
TODAY 12 2 10 0
MONTH TO DATE 53 21 32 16
SINCE MAR 1 56 25 31 22
SINCE JAN 1 56 25 31 22
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 12.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 57 600 AM
LOWEST 36 400 PM
AVERAGE 47
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 92 1931
2016
MINIMUM TEMPERATURE (F) 54 43 1902
1917
SUNRISE AND SUNSET
MAY 27 2026...........SUNRISE 513 AM EDT SUNSET 810 PM EDT
MAY 28 2026...........SUNRISE 512 AM EDT SUNSET 811 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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