087
CDUS41 KOKX 272147
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
447 PM EST SAT DEC 27 2025
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR DECEMBER 27 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 31 102 PM 62 1973 42 -11 43
2015
2016
MINIMUM 28 1203 AM 8 1989 27 1 20
AVERAGE 30 34 -4 32
PRECIPITATION (IN)
TODAY 0.13 0.93 1969 0.14 -0.01 0.00
MONTH TO DATE 3.51 4.16 -0.65 4.62
SINCE DEC 1 3.51 4.16 -0.65 4.62
SINCE JAN 1 36.65 45.44 -8.79 47.19
SNOWFALL (IN)
TODAY 1.0 6.0 1969 0.2 0.8 0.0
MONTH TO DATE 12.4 3.6 8.8 2.1
SINCE DEC 1 12.4 3.6 8.8 2.1
SINCE JUL 1 12.4 4.1 8.3 2.1
SNOW DEPTH 5
DEGREE DAYS
HEATING
TODAY 35 30 5 33
MONTH TO DATE 814 740 74 804
SINCE DEC 1 814 740 74 804
SINCE JUL 1 1603 1679 -76 1494
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1104 885 219 1012
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 13.3
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT SNOW
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88 1200 AM
LOWEST 71 400 PM
AVERAGE 80
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 42 56 2008
2018
2023
MINIMUM TEMPERATURE (F) 27 3 1966
SUNRISE AND SUNSET
DECEMBER 27 2025......SUNRISE 716 AM EST SUNSET 432 PM EST
DECEMBER 28 2025......SUNRISE 716 AM EST SUNSET 432 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