250
CDUS41 KOKX 222037
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
437 PM EDT TUE SEP 22 2026
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 22 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 69 113 PM 91 1980 73 -4 74
MINIMUM 59 600 AM 38 1997 57 2 51
AVERAGE 64 65 -1 63
PRECIPITATION (IN)
TODAY T 1.32 1994 0.12 -0.12 0.00
MONTH TO DATE 4.72 2.61 2.11 1.24
SINCE SEP 1 4.72 2.61 2.11 1.24
SINCE JAN 1 36.35 32.91 3.44 25.02
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 1 3 -2 2
MONTH TO DATE 4 23 -19 7
SINCE SEP 1 4 23 -19 7
SINCE JUL 1 4 26 -22 7
COOLING
TODAY 0 2 -2 0
MONTH TO DATE 111 94 17 86
SINCE SEP 1 111 94 17 86
SINCE JAN 1 984 858 126 1014
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 12.0
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 400 AM
LOWEST 55 100 PM
AVERAGE 68
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 88 1970
1980
MINIMUM TEMPERATURE (F) 56 40 1976
SUNRISE AND SUNSET
SEPTEMBER 22 2026.....SUNRISE 640 AM EDT SUNSET 649 PM EDT
SEPTEMBER 23 2026.....SUNRISE 641 AM EDT SUNSET 648 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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