818
CDUS41 KOKX 252042
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
442 PM EDT THU JUN 25 2026
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR JUNE 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 81 250 PM 98 2025 80 1 98
MINIMUM 59 448 AM 52 1985 64 -5 77
AVERAGE 70 72 -2 88
PRECIPITATION (IN)
TODAY 0.00 4.14 2012 0.11 -0.11 0.00
MONTH TO DATE 0.66 3.48 -2.82 1.64
SINCE JUN 1 0.66 3.48 -2.82 1.64
SINCE JAN 1 15.92 22.28 -6.36 17.37
SNOWFALL (IN)
TODAY 0.0 T 2012 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 61.8 31.8 30.0 11.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 10 27 -17 18
SINCE JUN 1 10 27 -17 18
SINCE JUL 1 5205 5182 23 4586
COOLING
TODAY 5 7 -2 23
MONTH TO DATE 155 110 45 185
SINCE JUN 1 155 110 45 185
SINCE JAN 1 210 139 71 197
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 4.7
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 1200 AM
LOWEST 38 1100 AM
AVERAGE 64
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 93 1998
1999
2003
MINIMUM TEMPERATURE (F) 64 50 1986
SUNRISE AND SUNSET
JUNE 25 2026..........SUNRISE 522 AM EDT SUNSET 828 PM EDT
JUNE 26 2026..........SUNRISE 523 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.
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