036
CDUS41 KOKX 280617
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
217 AM EDT THU MAY 28 2026
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR MAY 27 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 79 404 PM 88 1975 71 8 75
2014
MINIMUM 59 1213 AM 36 1968 54 5 51
AVERAGE 69 63 6 63
PRECIPITATION (IN)
YESTERDAY T 1.00 2024 0.12 -0.12 0.00
MONTH TO DATE 2.67 2.81 -0.14 3.89
SINCE MAR 1 9.01 11.38 -2.37 10.63
SINCE JAN 1 15.25 18.33 -3.08 14.95
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 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
YESTERDAY 0 4 -4 2
MONTH TO DATE 170 182 -12 102
SINCE MAR 1 1320 1422 -102 1075
SINCE JUL 1 5176 5141 35 4557
COOLING
YESTERDAY 4 2 2 0
MONTH TO DATE 41 17 24 12
SINCE MAR 1 52 19 33 12
SINCE JAN 1 52 19 33 12
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 8.1
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 400 AM
LOWEST 67 400 PM
AVERAGE 80
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THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 90 1991
MINIMUM TEMPERATURE (F) 55 38 1994
SUNRISE AND SUNSET
MAY 28 2026...........SUNRISE 525 AM EDT SUNSET 815 PM EDT
MAY 29 2026...........SUNRISE 525 AM EDT SUNSET 815 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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