Climatological Report (Daily)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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CDUS41 KBOX 050648
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
248 AM EDT TUE MAY 05 2026
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR MAY 4 2026...
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)
YESTERDAY
MAXIMUM 73 230 PM 90 2001 63 10 77
MINIMUM 46 1203 AM 33 1911 47 -1 53
AVERAGE 60 55 5 65
PRECIPITATION (IN)
YESTERDAY 0.00 2.71 1893 0.11 -0.11 0.09
MONTH TO DATE 0.04 0.43 -0.39 0.43
SINCE MAR 1 5.15 8.23 -3.08 7.66
SINCE JAN 1 8.44 14.83 -6.39 12.97
SNOWFALL (IN)
YESTERDAY 0.0 T 1920 0.0 0.0 0.0
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
YESTERDAY 5 10 -5 0
MONTH TO DATE 42 43 -1 16
SINCE MAR 1 1257 1367 -110 1135
SINCE JUL 1 5384 5305 79 4894
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 6
SINCE MAR 1 3 4 -1 12
SINCE JAN 1 3 4 -1 12
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 14 RESULTANT WIND DIRECTION SW (230)
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 15.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 62 1100 PM
LOWEST 21 200 PM
AVERAGE 42
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 89 1949
MINIMUM TEMPERATURE (F) 47 35 1874
1891
1907
SUNRISE AND SUNSET
MAY 5 2026...........SUNRISE 534 AM EDT SUNSET 748 PM EDT
MAY 6 2026...........SUNRISE 533 AM EDT SUNSET 749 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$