Climatological Report (Daily)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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CDUS41 KBOX 302130
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
530 PM EDT SAT MAY 30 2026
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR MAY 30 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 58 249 AM 96 1929 71 -13 77
MINIMUM 46 209 PM 35 1884 54 -8 60
AVERAGE 52 62 -10 69
PRECIPITATION (IN)
TODAY 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)
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 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
TODAY 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)
HIGHEST WIND SPEED 44 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 56 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 20.6
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 97 900 AM
LOWEST 77 400 PM
AVERAGE 87
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 96 1944
MINIMUM TEMPERATURE (F) 55 39 1884
SUNRISE AND SUNSET
MAY 30 2026...........SUNRISE 511 AM EDT SUNSET 813 PM EDT
MAY 31 2026...........SUNRISE 510 AM EDT SUNSET 814 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$