669
CDUS41 KOKX 152059
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
459 PM EDT WED OCT 15 2025
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR OCTOBER 15 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 68 228 PM 81 1990 64 4 59
MINIMUM 56 629 AM 33 1979 48 8 41
AVERAGE 62 56 6 50
PRECIPITATION (IN)
TODAY 0.00 0.63 2004 0.13 -0.13 0.00
MONTH TO DATE 2.07 1.91 0.16 0.10
SINCE SEP 1 3.65 5.51 -1.86 0.34
SINCE JAN 1 27.43 35.81 -8.38 39.21
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 3 9 -6 15
MONTH TO DATE 63 107 -44 76
SINCE SEP 1 70 160 -90 94
SINCE JUL 1 70 163 -93 95
COOLING
TODAY 0 0 0 0
MONTH TO DATE 20 10 10 3
SINCE SEP 1 176 118 58 83
SINCE JAN 1 1104 882 222 1004
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 9.8
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 200 AM
LOWEST 54 300 PM
AVERAGE 74
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 64 80 1963
MINIMUM TEMPERATURE (F) 47 33 1978
SUNRISE AND SUNSET
OCTOBER 15 2025.......SUNRISE 704 AM EDT SUNSET 612 PM EDT
OCTOBER 16 2025.......SUNRISE 705 AM EDT SUNSET 610 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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