372
CDUS41 KOKX 202033
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
433 PM EDT MON OCT 20 2025
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR OCTOBER 20 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 68 433 AM 77 2021 63 5 76
MINIMUM 61 852 AM 30 1974 46 15 44
AVERAGE 65 54 11 60
PRECIPITATION (IN)
TODAY 0.12 3.90 1989 0.13 -0.01 0.00
MONTH TO DATE 2.19 2.57 -0.38 0.10
SINCE SEP 1 3.77 6.17 -2.40 0.34
SINCE JAN 1 27.55 36.47 -8.92 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 0 11 -11 5
MONTH TO DATE 97 159 -62 132
SINCE SEP 1 104 212 -108 150
SINCE JUL 1 104 215 -111 151
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 25 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 16.0
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 300 AM
LOWEST 50 300 PM
AVERAGE 70
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 62 77 2024
MINIMUM TEMPERATURE (F) 45 29 1974
SUNRISE AND SUNSET
OCTOBER 20 2025.......SUNRISE 709 AM EDT SUNSET 604 PM EDT
OCTOBER 21 2025.......SUNRISE 711 AM EDT SUNSET 603 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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