527
CDUS41 KBOX 310635
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
235 AM EDT SUN MAY 31 2026
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 30 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 58 249 AM 96 1929 71 -13 77
MINIMUM 46 1128 PM 35 1884 54 -8 60
AVERAGE 52 62 -10 69
PRECIPITATION (IN)
YESTERDAY 0.35 1.52 1948 0.12 0.23 T
MONTH TO DATE 1.95 3.14 -1.19 7.04
SINCE MAR 1 7.06 10.94 -3.88 14.27
SINCE JAN 1 10.35 17.54 -7.19 19.58
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 13 4 9 0
MONTH TO DATE 169 228 -59 191
SINCE MAR 1 1384 1552 -168 1310
SINCE JUL 1 5511 5490 21 5069
COOLING
YESTERDAY 0 2 -2 4
MONTH TO DATE 58 27 31 23
SINCE MAR 1 61 31 30 29
SINCE JAN 1 61 31 30 29
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION N (20)
HIGHEST WIND SPEED 44 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 56 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 17.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 900 AM
LOWEST 71 700 PM
AVERAGE 84
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 96 1944
MINIMUM TEMPERATURE (F) 55 39 1884
SUNRISE AND SUNSET
MAY 31 2026...........SUNRISE 510 AM EDT SUNSET 814 PM EDT
JUNE 1 2026..........SUNRISE 510 AM EDT SUNSET 815 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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