Climatological Report (Daily)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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CDUS41 KBOX 170527
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
127 AM EDT THU JUL 17 2025
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR JULY 16 2025...
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)
YESTERDAY
MAXIMUM 95 354 PM 99 1983 83 12 95
MINIMUM 71 421 AM 54 1878 66 5 74
1884
AVERAGE 83 74 9 85
PRECIPITATION (IN)
YESTERDAY 0.00 1.60 2023 0.10 -0.10 0.00
MONTH TO DATE 1.91 1.65 0.26 0.91
SINCE JUN 1 3.23 5.54 -2.31 4.95
SINCE JAN 1 23.02 23.19 -0.17 29.96
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 44 50 -6 7
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 18 10 8 20
MONTH TO DATE 183 141 42 206
SINCE JUN 1 373 279 94 396
SINCE JAN 1 402 312 90 442
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION S (180)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 8.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 500 AM
LOWEST 42 400 PM
AVERAGE 70
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 98 1977
1999
MINIMUM TEMPERATURE (F) 66 54 1892
1946
SUNRISE AND SUNSET
JULY 17 2025..........SUNRISE 523 AM EDT SUNSET 818 PM EDT
JULY 18 2025..........SUNRISE 524 AM EDT SUNSET 817 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$