Climatological Report (Daily)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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CDUS41 KBOX 312126
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
526 PM EDT THU JUL 31 2025
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR JULY 31 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 84 1200 AM 98 1917 82 2 86
MINIMUM 64 400 PM 54 1895 66 -2 69
AVERAGE 74 74 0 78
PRECIPITATION (IN)
TODAY 0.07 1.85 1876 0.11 -0.04 0.20
MONTH TO DATE 2.35 3.27 -0.92 1.39
SINCE JUN 1 3.67 7.16 -3.49 5.43
SINCE JAN 1 23.46 24.81 -1.35 30.44
SNOWFALL (IN)
TODAY 0.0 T 1954 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 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
TODAY 9 9 0 13
MONTH TO DATE 352 284 68 348
SINCE JUN 1 542 422 120 538
SINCE JAN 1 571 455 116 584
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 10.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 400 PM
LOWEST 48 1200 AM
AVERAGE 71
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 98 1917
1955
1975
MINIMUM TEMPERATURE (F) 66 54 1891
SUNRISE AND SUNSET
JULY 31 2025..........SUNRISE 536 AM EDT SUNSET 804 PM EDT
AUGUST 1 2025........SUNRISE 537 AM EDT SUNSET 803 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$