Climatological Report (Daily)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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932
CDUS41 KBOX 202123
CLIBDL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
523 PM EDT SAT SEP 20 2025
...................................
...THE HARTFORD CT CLIMATE SUMMARY FOR SEPTEMBER 20 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1904 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 71 312 PM 95 1983 74 -3 76
MINIMUM 47 557 AM 30 1979 52 -5 65
AVERAGE 59 63 -4 71
PRECIPITATION (IN)
TODAY 0.00 6.10 1938 0.16 -0.16 0.00
MONTH TO DATE 1.78 2.79 -1.01 0.31
SINCE SEP 1 1.78 2.79 -1.01 0.31
SINCE JAN 1 35.09 33.34 1.75 38.43
SNOWFALL (IN)
TODAY 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 SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 6 4 2 0
MONTH TO DATE 25 40 -15 5
SINCE SEP 1 25 40 -15 5
SINCE JUL 1 44 48 -4 5
COOLING
TODAY 0 2 -2 6
MONTH TO DATE 35 70 -35 72
SINCE SEP 1 35 70 -35 72
SINCE JAN 1 806 795 11 1150
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 5.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 600 AM
LOWEST 30 400 PM
AVERAGE 60
..........................................................
THE HARTFORD CT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 91 1914
1965
MINIMUM TEMPERATURE (F) 52 31 1962
SUNRISE AND SUNSET
SEPTEMBER 20 2025.....SUNRISE 636 AM EDT SUNSET 651 PM EDT
SEPTEMBER 21 2025.....SUNRISE 637 AM EDT SUNSET 649 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$