735
CDUS41 KBOX 312124
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
524 PM EDT SAT MAY 31 2025
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 31 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 70 1140 AM 96 1944 71 -1 77
MINIMUM 55 521 AM 39 1884 55 0 54
AVERAGE 63 63 0 66
PRECIPITATION (IN)
TODAY 0.21 4.12 1984 0.11 0.10 0.00
MONTH TO DATE 7.25 3.25 4.00 4.82
SINCE MAR 1 14.48 11.05 3.43 16.72
SINCE JAN 1 19.79 17.65 2.14 25.01
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 T 10.6 -10.6 0.1
SINCE JUL 1 28.1 49.2 -21.1 9.8
DEGREE DAYS
HEATING
TODAY 2 4 -2 0
MONTH TO DATE 193 232 -39 201
SINCE MAR 1 1312 1556 -244 1382
SINCE JUL 1 5071 5494 -423 4867
COOLING
TODAY 0 2 -2 1
MONTH TO DATE 23 29 -6 46
SINCE MAR 1 29 33 -4 46
SINCE JAN 1 29 33 -4 46
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 13.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 100 AM
LOWEST 59 1100 AM
AVERAGE 80
......................................................
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 2025...........SUNRISE 510 AM EDT SUNSET 814 PM EDT
JUNE 1 2025..........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.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page