329
CDUS41 KOKX 302046
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
446 PM EDT THU APR 30 2026
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR APRIL 30 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 55 259 PM 79 2007 64 -9 74
MINIMUM 47 246 AM 33 1992 46 1 53
AVERAGE 51 55 -4 64
PRECIPITATION (IN)
TODAY 0.24 2.21 2014 0.13 0.11 T
MONTH TO DATE 2.15 4.06 -1.91 1.98
SINCE MAR 1 6.34 8.57 -2.23 6.74
SINCE JAN 1 12.58 15.52 -2.94 11.06
SNOWFALL (IN)
TODAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.6 -0.6 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 14 10 4 1
MONTH TO DATE 434 460 -26 359
SINCE MAR 1 1151 1240 -89 973
SINCE JUL 1 5007 4959 48 4455
COOLING
TODAY 0 0 0 0
MONTH TO DATE 11 2 9 0
SINCE MAR 1 11 2 9 0
SINCE JAN 1 11 2 9 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 3.9
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 700 AM
LOWEST 80 100 PM
AVERAGE 89
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 64 84 2001
MINIMUM TEMPERATURE (F) 46 32 2008
SUNRISE AND SUNSET
APRIL 30 2026.........SUNRISE 552 AM EDT SUNSET 748 PM EDT
MAY 1 2026...........SUNRISE 551 AM EDT SUNSET 749 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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