500
CDUS41 KBOX 152126
CLIBDL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
526 PM EDT MON SEP 15 2025
...............................
..THE HARTFORD CT CLIMATE SUMMARY FOR SEPTEMBER 15 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 80 337 PM 90 1915 76 4 83
MINIMUM 57 610 AM 35 1975 54 3 58
AVERAGE 69 65 4 71
PRECIPITATION (IN)
TODAY 0.00 1.83 1933 0.16 -0.16 0.00
MONTH TO DATE 1.78 2.00 -0.22 0.31
SINCE SEP 1 1.78 2.00 -0.22 0.31
SINCE JAN 1 35.09 32.55 2.54 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 0 3 -3 0
MONTH TO DATE 19 23 -4 5
SINCE SEP 1 19 23 -4 5
SINCE JUL 1 38 31 7 5
COOLING
TODAY 4 3 1 6
MONTH TO DATE 27 59 -32 48
SINCE SEP 1 27 59 -32 48
SINCE JAN 1 798 784 14 1126
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 5.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1200 AM
LOWEST 42 300 PM
AVERAGE 70
......................................................
THE HARTFORD CT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 92 1915
1941
1991
MINIMUM TEMPERATURE (F) 54 33 1964
SUNRISE AND SUNSET
SEPTEMBER 15 2025.....SUNRISE 631 AM EDT SUNSET 700 PM EDT
SEPTEMBER 16 2025.....SUNRISE 632 AM EDT SUNSET 658 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page