214  
CDUS41 KOKX 230616  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
216 AM EDT WED JUL 23 2025  
   
...............................  
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR JULY 22 2025  
 
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)  
YESTERDAY  
MAXIMUM 79 308 PM 100 2011 83 -4 83  
MINIMUM 65 1159 PM 53 1974 68 -3 71  
AVERAGE 72 76 -4 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.45 1997 0.11 -0.11 0.02  
MONTH TO DATE 2.60 2.20 0.40 1.08  
SINCE JUN 1 4.48 6.20 -1.72 3.52  
SINCE JAN 1 20.21 25.00 -4.79 30.90  
 
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 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 18 30 -12 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 7 11 -4 12  
MONTH TO DATE 291 217 74 279  
SINCE JUN 1 531 369 162 497  
SINCE JAN 1 543 398 145 539    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 7.4  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 300 AM  
LOWEST 42 1000 AM  
AVERAGE 60  
   
......................................................  
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 97 2011  
MINIMUM TEMPERATURE (F) 68 53 1974  
 
SUNRISE AND SUNSET  
JULY 23 2025..........SUNRISE 541 AM EDT SUNSET 816 PM EDT  
JULY 24 2025..........SUNRISE 542 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.
The Nexlab NY Page
The Nexlab NJ Page
The Nexlab CT Page
Main Text Page