978
CDUS41 KOKX 210627
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
227 AM EDT WED OCT 21 2026
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR OCTOBER 20 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 68 MM 77 2021 63 5 68
MINIMUM 46 MM 30 1974 46 0 56
AVERAGE 57 54 3 62
PRECIPITATION (IN)
YESTERDAY 0.00 3.90 1989 0.13 -0.13 0.12
MONTH TO DATE 1.98 2.57 -0.59 2.19
SINCE SEP 1 10.74 6.17 4.57 3.77
SINCE JAN 1 42.37 36.47 5.90 27.55
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 8 11 -3 3
MONTH TO DATE 120 159 -39 100
SINCE SEP 1 150 212 -62 107
SINCE JUL 1 150 215 -65 107
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 16 10 6 20
SINCE SEP 1 127 118 9 176
SINCE JAN 1 1000 882 118 1104
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WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 11.5
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 1200 AM
LOWEST 37 300 PM
AVERAGE 63
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THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 62 77 2024
MINIMUM TEMPERATURE (F) 45 29 1974
SUNRISE AND SUNSET
OCTOBER 21 2026.......SUNRISE 710 AM EDT SUNSET 603 PM EDT
OCTOBER 22 2026.......SUNRISE 711 AM EDT SUNSET 602 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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