324
CDUS41 KOKX 212039
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
439 PM EDT SAT JUN 21 2025
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR JUNE 21 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1963 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 86 1049 AM 95 2012 79 7 88
MINIMUM 68 435 AM 47 1968 63 5 70
AVERAGE 77 71 6 79
PRECIPITATION (IN)
TODAY 0.00 0.96 2003 0.12 -0.12 0.00
2018
MONTH TO DATE 1.58 3.04 -1.46 1.90
SINCE JUN 1 1.58 3.04 -1.46 1.90
SINCE JAN 1 17.31 21.84 -4.53 29.28
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 JUN 1 0.0 0.0 0.0 0.0
SINCE JUL 1 11.7 31.8 -20.1 10.9
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 18 27 -9 0
SINCE JUN 1 18 27 -9 0
SINCE JUL 1 4586 5182 -596 4508
COOLING
TODAY 12 6 6 14
MONTH TO DATE 103 83 20 127
SINCE JUN 1 103 83 20 127
SINCE JAN 1 115 112 3 169
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 5.5
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 500 AM
LOWEST 43 200 PM
AVERAGE 61
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 94 2012
MINIMUM TEMPERATURE (F) 63 51 1992
SUNRISE AND SUNSET
JUNE 21 2025..........SUNRISE 521 AM EDT SUNSET 827 PM EDT
JUNE 22 2025..........SUNRISE 521 AM EDT SUNSET 828 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