Climatological Report (Daily)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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063
CDUS41 KBOX 200856
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
456 AM EDT MON JUL 20 2026
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR JULY 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 81 447 PM 99 2013 83 -2 87
MINIMUM 69 1159 PM 54 1875 67 2 65
1881
AVERAGE 75 74 1 76
PRECIPITATION (IN)
YESTERDAY T 1.68 1882 0.11 -0.11 0.00
MONTH TO DATE 1.82 1.97 -0.15 1.91
SINCE JUN 1 3.28 5.86 -2.58 3.23
SINCE JAN 1 13.77 23.51 -9.74 23.02
SNOWFALL (IN)
YESTERDAY 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 JUN 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 14 50 -36 44
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 10 10 0 11
MONTH TO DATE 239 171 68 220
SINCE JUN 1 463 309 154 410
SINCE JAN 1 524 342 182 439
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION W (290)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 13.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91 1200 AM
LOWEST 25 600 PM
AVERAGE 58
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 99 1991
MINIMUM TEMPERATURE (F) 67 54 1879
1890
SUNRISE AND SUNSET
JULY 20 2026..........SUNRISE 525 AM EDT SUNSET 815 PM EDT
JULY 21 2026..........SUNRISE 526 AM EDT SUNSET 815 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$