710
CDUS41 KOKX 262136
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
436 PM EST FRI DEC 26 2025
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR DECEMBER 26 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 29 327 PM 64 1982 42 -13 40
MINIMUM 21 803 AM 5 1968 28 -7 22
1983
AVERAGE 25 35 -10 31
PRECIPITATION (IN)
TODAY 0.00 1.36 1975 0.15 -0.15 0.00
MONTH TO DATE 2.68 4.02 -1.34 4.62
SINCE DEC 1 2.68 4.02 -1.34 4.62
SINCE JAN 1 35.82 45.30 -9.48 47.19
SNOWFALL (IN)
TODAY 0.0 11.3 2010 0.2 -0.2 0.0
MONTH TO DATE 5.8 3.4 2.4 2.1
SINCE DEC 1 5.8 3.4 2.4 2.1
SINCE JUL 1 5.8 3.9 1.9 2.1
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 40 30 10 34
MONTH TO DATE 779 710 69 771
SINCE DEC 1 779 710 69 771
SINCE JUL 1 1568 1649 -81 1461
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 23 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 10.3
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 57 600 AM
LOWEST 35 300 PM
AVERAGE 46
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 42 62 1973
2015
2016
MINIMUM TEMPERATURE (F) 27 8 1989
SUNRISE AND SUNSET
DECEMBER 26 2025......SUNRISE 715 AM EST SUNSET 431 PM EST
DECEMBER 27 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.
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