541
CDUS41 KOKX 292144
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
444 PM EST SAT NOV 29 2025
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR NOVEMBER 29 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1963 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 45 1247 PM 66 1991 49 -4 49
2011
MINIMUM 31 334 AM 21 2014 34 -3 33
AVERAGE 38 42 -4 41
PRECIPITATION (IN)
TODAY 0.00 2.33 1971 0.13 -0.13 T
MONTH TO DATE 2.14 3.27 -1.13 3.34
SINCE SEP 1 8.78 10.84 -2.06 3.70
SINCE JAN 1 32.56 41.14 -8.58 42.57
SNOWFALL (IN)
TODAY 0.0 3.0 1995 0.1 -0.1 0.0
MONTH TO DATE T 0.5 -0.5 0.0
SINCE SEP 1 T 0.5 -0.5 0.0
SINCE JUL 1 T 0.5 -0.5 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 27 24 3 24
MONTH TO DATE 536 558 -22 436
SINCE SEP 1 764 912 -148 658
SINCE JUL 1 764 915 -151 659
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 4
SINCE SEP 1 176 121 55 91
SINCE JAN 1 1104 885 219 1012
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 11.4
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 58 300 AM
LOWEST 35 1200 PM
AVERAGE 47
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 49 64 2001
MINIMUM TEMPERATURE (F) 34 20 1989
SUNRISE AND SUNSET
NOVEMBER 29 2025......SUNRISE 655 AM EST SUNSET 426 PM EST
NOVEMBER 30 2025......SUNRISE 656 AM EST SUNSET 426 PM EST
- 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