940
CDUS41 KBOX 312124
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
524 PM EDT SUN MAY 31 2026
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 31 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 68 128 PM 96 1944 71 -3 70
MINIMUM 44 429 AM 39 1884 55 -11 52
AVERAGE 56 63 -7 61
PRECIPITATION (IN)
TODAY 0.03 4.12 1984 0.11 -0.08 0.21
MONTH TO DATE 1.98 3.25 -1.27 7.25
SINCE MAR 1 7.09 11.05 -3.96 14.48
SINCE JAN 1 10.38 17.65 -7.27 19.79
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 9 4 5 4
MONTH TO DATE 178 232 -54 195
SINCE MAR 1 1393 1556 -163 1314
SINCE JUL 1 5520 5494 26 5073
COOLING
TODAY 0 2 -2 0
MONTH TO DATE 58 29 29 23
SINCE MAR 1 61 33 28 29
SINCE JAN 1 61 33 28 29
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 7.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 300 AM
LOWEST 36 1000 AM
AVERAGE 59
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 96 1879
MINIMUM TEMPERATURE (F) 55 41 1945
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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