643
CDUS41 KOKX 262138
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
438 PM EST THU FEB 26 2026
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR FEBRUARY 26 2026
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1963 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 42 116 PM 58 2025 43 -1 58
MINIMUM 24 538 AM 7 1970 28 -4 40
AVERAGE 33 35 -2 49
PRECIPITATION (IN)
TODAY 0.00 2.11 1979 0.13 -0.13 0.00
MONTH TO DATE 3.01 3.02 -0.01 3.65
SINCE DEC 1 9.36 11.39 -2.03 10.48
SINCE JAN 1 5.59 6.68 -1.09 4.25
SNOWFALL (IN)
TODAY 0.0 8.9 2010 0.2 -0.2 0.0
MONTH TO DATE 34.2 8.9 25.3 6.9
SINCE DEC 1 61.6 23.7 37.9 11.7
SINCE JUL 1 61.6 24.2 37.4 11.7
SNOW DEPTH 20
DEGREE DAYS
HEATING
TODAY 32 30 2 16
MONTH TO DATE 971 830 141 813
SINCE DEC 1 3004 2721 283 2752
SINCE JUL 1 3793 3660 133 3442
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 7.0
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 500 AM
LOWEST 46 100 PM
AVERAGE 73
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 66 1976
MINIMUM TEMPERATURE (F) 28 8 1967
SUNRISE AND SUNSET
FEBRUARY 26 2026......SUNRISE 631 AM EST SUNSET 540 PM EST
FEBRUARY 27 2026......SUNRISE 629 AM EST SUNSET 541 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