376
CDUS41 KOKX 212044
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
444 PM EDT FRI AUG 21 2026
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR AUGUST 21 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 71 259 PM 94 1995 81 -10 74
MINIMUM 64 332 AM 47 1977 66 -2 62
AVERAGE 68 73 -5 68
PRECIPITATION (IN)
TODAY 0.41 1.31 1997 0.14 0.27 0.06
MONTH TO DATE 7.03 2.96 4.07 0.53
SINCE JUN 1 15.46 10.22 5.24 8.05
SINCE JAN 1 30.72 29.02 1.70 23.78
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 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 0
SINCE JUN 1 10 31 -21 18
SINCE JUL 1 0 1 -1 0
COOLING
TODAY 3 8 -5 3
MONTH TO DATE 243 197 46 187
SINCE JUN 1 743 661 82 856
SINCE JAN 1 798 690 108 868
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 14.4
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1200 AM
LOWEST 84 1100 AM
AVERAGE 91
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 91 2019
MINIMUM TEMPERATURE (F) 65 49 1982
SUNRISE AND SUNSET
AUGUST 21 2026........SUNRISE 609 AM EDT SUNSET 742 PM EDT
AUGUST 22 2026........SUNRISE 610 AM EDT SUNSET 740 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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