702
CDUS41 KOKX 290619
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
219 AM EDT FRI MAY 29 2026
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR MAY 28 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 77 1238 PM 90 1991 72 5 67
MINIMUM 59 1120 PM 38 1994 55 4 54
AVERAGE 68 63 5 61
PRECIPITATION (IN)
YESTERDAY T 1.55 2021 0.11 -0.11 0.18
MONTH TO DATE 2.67 2.92 -0.25 4.07
SINCE MAR 1 9.01 11.49 -2.48 10.81
SINCE JAN 1 15.25 18.44 -3.19 15.13
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 4
MONTH TO DATE 170 186 -16 106
SINCE MAR 1 1320 1426 -106 1079
SINCE JUL 1 5176 5145 31 4561
COOLING
YESTERDAY 3 2 1 0
MONTH TO DATE 44 19 25 12
SINCE MAR 1 55 21 34 12
SINCE JAN 1 55 21 34 12
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 11.7
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 70 400 AM
LOWEST 38 200 PM
AVERAGE 54
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 95 1969
MINIMUM TEMPERATURE (F) 55 43 1992
SUNRISE AND SUNSET
MAY 29 2026...........SUNRISE 525 AM EDT SUNSET 815 PM EDT
MAY 30 2026...........SUNRISE 524 AM EDT SUNSET 816 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page