122
CDUS41 KBOX 172123
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
523 PM EDT SAT MAY 17 2025
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 17 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 73 310 PM 92 1977 67 6 65
2017
MINIMUM 61 549 AM 39 1882 51 10 52
AVERAGE 67 59 8 59
PRECIPITATION (IN)
TODAY 0.00 1.88 1916 0.09 -0.09 0.00
MONTH TO DATE 3.35 1.72 1.63 2.03
SINCE MAR 1 10.58 9.52 1.06 13.93
SINCE JAN 1 15.89 16.12 -0.23 22.22
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 0 7 -7 6
MONTH TO DATE 91 154 -63 164
SINCE MAR 1 1210 1478 -268 1345
SINCE JUL 1 4969 5416 -447 4830
COOLING
TODAY 2 1 1 0
MONTH TO DATE 14 9 5 0
SINCE MAR 1 20 13 7 0
SINCE JAN 1 20 13 7 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 8.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 100 AM
LOWEST 76 100 PM
AVERAGE 85
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 95 2017
MINIMUM TEMPERATURE (F) 51 37 2002
SUNRISE AND SUNSET
MAY 17 2025...........SUNRISE 520 AM EDT SUNSET 801 PM EDT
MAY 18 2025...........SUNRISE 520 AM EDT SUNSET 802 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