886
CDUS41 KBOX 212124
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
524 PM EDT TUE APR 21 2026
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR APRIL 21 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 45 256 PM 88 1957 59 -14 56
MINIMUM 33 424 AM 21 1875 43 -10 43
AVERAGE 39 51 -12 50
PRECIPITATION (IN)
TODAY 0.00 3.32 1991 0.11 -0.11 0.00
MONTH TO DATE 1.30 2.62 -1.32 2.22
SINCE MAR 1 4.94 6.79 -1.85 6.32
SINCE JAN 1 8.23 13.39 -5.16 11.63
SNOWFALL (IN)
TODAY 0.0 0.2 1947 0.0 0.0 0.0
MONTH TO DATE T 1.5 -1.5 T
SINCE MAR 1 1.9 10.5 -8.6 T
SINCE JUL 1 62.8 49.1 13.7 28.1
DEGREE DAYS
HEATING
TODAY 26 14 12 15
MONTH TO DATE 319 381 -62 367
SINCE MAR 1 1043 1209 -166 1064
SINCE JUL 1 5170 5147 23 4823
COOLING
TODAY 0 0 0 0
MONTH TO DATE 3 0 3 5
SINCE MAR 1 3 0 3 5
SINCE JAN 1 3 0 3 5
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 10.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 63 400 AM
LOWEST 26 900 AM
AVERAGE 45
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 88 1977
MINIMUM TEMPERATURE (F) 43 26 1875
SUNRISE AND SUNSET
APRIL 21 2026.........SUNRISE 554 AM EDT SUNSET 733 PM EDT
APRIL 22 2026.........SUNRISE 552 AM EDT SUNSET 734 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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