738
CDUS41 KOKX 112033
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
433 PM EDT MON MAY 11 2026
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR MAY 11 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 60 240 PM 83 1965 67 -7 78
2001
MINIMUM 50 415 AM 34 1966 49 1 50
AVERAGE 55 58 -3 64
PRECIPITATION (IN)
TODAY 0.03 0.71 1967 0.10 -0.07 0.00
MONTH TO DATE 0.66 1.17 -0.51 1.71
SINCE MAR 1 7.00 9.74 -2.74 8.45
SINCE JAN 1 13.24 16.69 -3.45 12.77
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 MAR 1 0.2 7.1 -6.9 0.0
SINCE JUL 1 61.8 31.8 30.0 11.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 10 7 3 1
MONTH TO DATE 104 96 8 30
SINCE MAR 1 1254 1336 -82 1003
SINCE JUL 1 5110 5055 55 4485
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 2
SINCE MAR 1 11 2 9 2
SINCE JAN 1 11 2 9 2
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 8.8
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 44 500 AM
LOWEST 28 1000 AM
AVERAGE 36
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 87 1991
MINIMUM TEMPERATURE (F) 50 37 1969
1983
1990
SUNRISE AND SUNSET
MAY 11 2026...........SUNRISE 539 AM EDT SUNSET 759 PM EDT
MAY 12 2026...........SUNRISE 538 AM EDT SUNSET 800 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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