Climatological Report (Daily)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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CDUS41 KBOX 222343
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
743 PM EDT THU MAY 22 2025
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR MAY 22 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 48 1038 AM 93 1959 68 -20 89
MINIMUM 46 359 PM 39 1894 52 -6 61
AVERAGE 47 60 -13 75
PRECIPITATION (IN)
TODAY 0.77 3.23 1920 0.10 0.67 0.00
MONTH TO DATE 4.12 2.23 1.89 2.72
SINCE MAR 1 11.35 10.03 1.32 14.62
SINCE JAN 1 16.66 16.63 0.03 22.91
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 18 6 12 0
MONTH TO DATE 145 186 -41 192
SINCE MAR 1 1264 1510 -246 1373
SINCE JUL 1 5023 5448 -425 4858
COOLING
TODAY 0 1 -1 10
MONTH TO DATE 16 14 2 14
SINCE MAR 1 22 18 4 14
SINCE JAN 1 22 18 4 14
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 19.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 400 PM
LOWEST 80 100 AM
AVERAGE 88
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 93 1964
MINIMUM TEMPERATURE (F) 52 40 1876
1882
1967
SUNRISE AND SUNSET
MAY 22 2025...........SUNRISE 516 AM EDT SUNSET 806 PM EDT
MAY 23 2025...........SUNRISE 515 AM EDT SUNSET 807 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$