744
CDUS41 KOKX 182037
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
437 PM EDT THU JUN 18 2026
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR JUNE 18 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 79 259 PM 89 2014 78 1 79
MINIMUM 67 611 AM 50 1964 62 5 65
1965
AVERAGE 73 70 3 72
PRECIPITATION (IN)
TODAY T 2.13 1967 0.13 -0.13 0.22
MONTH TO DATE 0.38 2.67 -2.29 1.46
SINCE JUN 1 0.38 2.67 -2.29 1.46
SINCE JAN 1 15.64 21.47 -5.83 17.19
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 JUN 1 0.0 0.0 0.0 0.0
SINCE JUL 1 61.8 31.8 30.0 11.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 10 27 -17 18
SINCE JUN 1 10 27 -17 18
SINCE JUL 1 5205 5182 23 4586
COOLING
TODAY 8 6 2 7
MONTH TO DATE 107 65 42 66
SINCE JUN 1 107 65 42 66
SINCE JAN 1 162 94 68 78
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 14.7
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 400 AM
LOWEST 72 300 PM
AVERAGE 86
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 96 1994
MINIMUM TEMPERATURE (F) 62 49 1986
SUNRISE AND SUNSET
JUNE 18 2026..........SUNRISE 521 AM EDT SUNSET 827 PM EDT
JUNE 19 2026..........SUNRISE 521 AM EDT SUNSET 827 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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