445
CDUS41 KOKX 250620
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
220 AM EDT TUE AUG 25 2026
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR AUGUST 24 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 81 115 PM 92 2022 81 0 81
MINIMUM 62 551 AM 49 1971 65 -3 65
AVERAGE 72 73 -1 73
PRECIPITATION (IN)
YESTERDAY 0.00 6.74 1990 0.14 -0.14 0.00
MONTH TO DATE 7.70 3.37 4.33 0.53
SINCE JUN 1 16.13 10.63 5.50 8.05
SINCE JAN 1 31.39 29.43 1.96 23.78
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 JUN 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 10 31 -21 18
SINCE JUL 1 0 1 -1 0
COOLING
YESTERDAY 7 8 -1 8
MONTH TO DATE 265 221 44 211
SINCE JUN 1 765 685 80 880
SINCE JAN 1 820 714 106 892
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WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 7.1
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 400 AM
LOWEST 45 1000 AM
AVERAGE 69
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THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 92 1969
1998
2021
MINIMUM TEMPERATURE (F) 65 47 1971
SUNRISE AND SUNSET
AUGUST 25 2026........SUNRISE 612 AM EDT SUNSET 736 PM EDT
AUGUST 26 2026........SUNRISE 613 AM EDT SUNSET 734 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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