731  
CDUS41 KOKX 272040  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
440 PM EDT WED AUG 27 2025  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR AUGUST 27 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 79 206 PM 94 2021 80 -1 85  
MINIMUM 61 436 AM 52 1989 65 -4 63  
AVERAGE 70 72 -2 74  
 
PRECIPITATION (IN)  
TODAY 0.00 2.19 2006 0.14 -0.14 0.00  
MONTH TO DATE 0.53 3.78 -3.25 6.45  
SINCE JUN 1 8.05 11.04 -2.99 11.44  
SINCE JAN 1 23.78 29.84 -6.06 38.82  
 
SNOWFALL (IN)  
TODAY 0.0 T 2020 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 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 1  
SINCE JUN 1 18 31 -13 1  
SINCE JUL 1 0 1 -1 1  
 
COOLING  
TODAY 5 7 -2 9  
MONTH TO DATE 232 244 -12 248  
SINCE JUN 1 901 708 193 844  
SINCE JAN 1 913 737 176 886    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 9.2  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 300 AM  
LOWEST 35 200 PM  
AVERAGE 55  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 95 1973  
MINIMUM TEMPERATURE (F) 64 49 1986  
 
SUNRISE AND SUNSET  
AUGUST 27 2025........SUNRISE 615 AM EDT SUNSET 732 PM EDT  
AUGUST 28 2025........SUNRISE 616 AM EDT SUNSET 731 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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