959
CDUS41 KBOX 200558
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
158 AM EDT MON APR 20 2026
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR APRIL 19 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 52 1233 PM 87 1914 58 -6 83
MINIMUM 39 1027 PM 22 1875 42 -3 56
AVERAGE 46 50 -4 70
PRECIPITATION (IN)
YESTERDAY 0.19 1.65 1877 0.11 0.08 T
MONTH TO DATE 1.30 2.40 -1.10 2.22
SINCE MAR 1 4.94 6.57 -1.63 6.32
SINCE JAN 1 8.23 13.17 -4.94 11.63
SNOWFALL (IN)
YESTERDAY 0.0 0.1 1961 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
YESTERDAY 19 15 4 0
MONTH TO DATE 293 352 -59 346
SINCE MAR 1 1017 1180 -163 1043
SINCE JUL 1 5144 5118 26 4802
COOLING
YESTERDAY 0 0 0 5
MONTH TO DATE 3 0 3 5
SINCE MAR 1 3 0 3 5
SINCE JAN 1 3 0 3 5
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION NW (300)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 9.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 300 AM
LOWEST 76 1100 PM
AVERAGE 88
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 89 1927
1941
1976
MINIMUM TEMPERATURE (F) 43 21 1897
SUNRISE AND SUNSET
APRIL 20 2026.........SUNRISE 555 AM EDT SUNSET 731 PM EDT
APRIL 21 2026.........SUNRISE 554 AM EDT SUNSET 733 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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