Climatological Report (Daily)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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CDUS41 KBOX 202124
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
524 PM EDT WED AUG 20 2025
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR AUGUST 20 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 66 1250 PM 98 1937 80 -14 70
MINIMUM 60 350 PM 52 1882 65 -5 60
1896
1905
AVERAGE 63 72 -9 65
PRECIPITATION (IN)
TODAY 0.04 2.10 1894 0.10 -0.06 0.01
MONTH TO DATE 0.56 2.15 -1.59 3.70
SINCE JUN 1 4.89 9.31 -4.42 9.13
SINCE JAN 1 24.68 26.96 -2.28 34.14
SNOWFALL (IN)
TODAY 0.0 T 1951 0.0 0.0 0.0
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
TODAY 2 0 2 0
MONTH TO DATE 3 0 3 1
SINCE JUN 1 47 54 -7 8
SINCE JUL 1 3 4 -1 1
COOLING
TODAY 0 8 -8 0
MONTH TO DATE 136 171 -35 169
SINCE JUN 1 677 593 84 707
SINCE JAN 1 706 626 80 753
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 7.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 800 AM
LOWEST 61 100 PM
AVERAGE 71
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 97 1955
MINIMUM TEMPERATURE (F) 65 52 1876
1882
SUNRISE AND SUNSET
AUGUST 20 2025........SUNRISE 557 AM EDT SUNSET 737 PM EDT
AUGUST 21 2025........SUNRISE 558 AM EDT SUNSET 736 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$