912
CDUS41 KOKX 252054
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
454 PM EDT MON MAY 25 2026
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR MAY 25 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 68 250 PM 92 1991 71 -3 68
MINIMUM 55 509 AM 41 1972 54 1 51
1992
AVERAGE 62 62 0 60
PRECIPITATION (IN)
TODAY 0.14 1.16 1997 0.11 0.03 T
MONTH TO DATE 2.67 2.58 0.09 3.89
SINCE MAR 1 9.01 11.15 -2.14 10.63
SINCE JAN 1 15.25 18.10 -2.85 14.95
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 3 4 -1 5
MONTH TO DATE 172 174 -2 97
SINCE MAR 1 1322 1414 -92 1070
SINCE JUL 1 5178 5133 45 4552
COOLING
TODAY 0 2 -2 0
MONTH TO DATE 34 13 21 12
SINCE MAR 1 45 15 30 12
SINCE JAN 1 45 15 30 12
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 5.1
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1200 AM
LOWEST 81 300 PM
AVERAGE 91
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 92 2010
MINIMUM TEMPERATURE (F) 54 37 1992
SUNRISE AND SUNSET
MAY 25 2026...........SUNRISE 527 AM EDT SUNSET 812 PM EDT
MAY 26 2026...........SUNRISE 526 AM EDT SUNSET 813 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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