572
CDUS41 KOKX 302039
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
439 PM EDT WED SEP 30 2026
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 30 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 70 133 PM 82 1986 70 0 82
2025
MINIMUM 62 659 AM 40 1992 53 9 63
2000
AVERAGE 66 62 4 73
PRECIPITATION (IN)
TODAY 0.00 2.08 1979 0.14 -0.14 0.00
MONTH TO DATE 8.76 3.60 5.16 1.58
SINCE SEP 1 8.76 3.60 5.16 1.58
SINCE JAN 1 40.39 33.90 6.49 25.36
SNOWFALL (IN)
TODAY 0.0 MM MM 0.0 0.0 0.0
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 5 -5 0
MONTH TO DATE 30 53 -23 7
SINCE SEP 1 30 53 -23 7
SINCE JUL 1 30 56 -26 7
COOLING
TODAY 1 1 0 8
MONTH TO DATE 112 108 4 156
SINCE SEP 1 112 108 4 156
SINCE JAN 1 985 872 113 1084
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 6.1
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 300 AM
LOWEST 65 1200 PM
AVERAGE 75
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 83 1986
MINIMUM TEMPERATURE (F) 53 37 1992
SUNRISE AND SUNSET
SEPTEMBER 30 2026.....SUNRISE 648 AM EDT SUNSET 636 PM EDT
OCTOBER 1 2026.......SUNRISE 649 AM EDT SUNSET 634 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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