705
CDUS41 KOKX 260616
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
216 AM EDT SAT SEP 26 2026
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 25 2026
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)
YESTERDAY
MAXIMUM 66 604 PM 87 2010 72 -6 77
MINIMUM 55 1151 PM 38 1963 56 -1 71
AVERAGE 61 64 -3 74
PRECIPITATION (IN)
YESTERDAY 0.25 1.69 1975 0.12 0.13 0.23
MONTH TO DATE 4.97 2.96 2.01 1.54
SINCE SEP 1 4.97 2.96 2.01 1.54
SINCE JAN 1 36.60 33.26 3.34 25.32
SNOWFALL (IN)
YESTERDAY 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
YESTERDAY 4 3 1 0
MONTH TO DATE 16 32 -16 7
SINCE SEP 1 16 32 -16 7
SINCE JUL 1 16 35 -19 7
COOLING
YESTERDAY 0 2 -2 9
MONTH TO DATE 111 100 11 112
SINCE SEP 1 111 100 11 112
SINCE JAN 1 984 864 120 1040
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 48 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 21.7
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 900 PM
LOWEST 40 600 PM
AVERAGE 60
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 85 1970
2025
MINIMUM TEMPERATURE (F) 55 40 1963
1987
SUNRISE AND SUNSET
SEPTEMBER 26 2026.....SUNRISE 644 AM EDT SUNSET 643 PM EDT
SEPTEMBER 27 2026.....SUNRISE 645 AM EDT SUNSET 641 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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