417
CDUS41 KBOX 302134
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
534 PM EDT THU APR 30 2026
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR APRIL 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 54 359 PM 86 1942 62 -8 72
MINIMUM 46 615 AM 31 1874 46 0 54
AVERAGE 50 54 -4 63
PRECIPITATION (IN)
TODAY 0.16 1.81 2023 0.12 0.04 0.00
MONTH TO DATE 1.47 3.63 -2.16 3.13
SINCE MAR 1 5.11 7.80 -2.69 7.23
SINCE JAN 1 8.40 14.40 -6.00 12.54
SNOWFALL (IN)
TODAY 0.0 0.0 2007 0.0 0.0 0.0
2008
2009
MONTH TO DATE T 1.6 -1.6 T
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 15 12 3 2
MONTH TO DATE 492 496 -4 422
SINCE MAR 1 1216 1324 -108 1119
SINCE JUL 1 5343 5262 81 4878
COOLING
TODAY 0 0 0 0
MONTH TO DATE 3 4 -1 6
SINCE MAR 1 3 4 -1 6
SINCE JAN 1 3 4 -1 6
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 3.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1200 PM
LOWEST 80 400 PM
AVERAGE 89
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 62 89 1899
MINIMUM TEMPERATURE (F) 46 33 1880
SUNRISE AND SUNSET
APRIL 30 2026.........SUNRISE 541 AM EDT SUNSET 743 PM EDT
MAY 1 2026...........SUNRISE 539 AM EDT SUNSET 744 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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