821
CDUS41 KOKX 112137
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
437 PM EST SUN JAN 11 2026
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR JANUARY 11 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 47 1200 AM 60 1975 39 8 36
MINIMUM 43 1100 AM 1 1988 25 18 30
AVERAGE 45 32 13 33
PRECIPITATION (IN)
TODAY 0.06 0.87 2014 0.13 -0.07 T
MONTH TO DATE 1.01 1.37 -0.36 0.03
SINCE DEC 1 4.78 6.08 -1.30 6.26
SINCE JAN 1 1.01 1.37 -0.36 0.03
SNOWFALL (IN)
TODAY 0.0 3.6 1991 0.3 -0.3 T
MONTH TO DATE 0.8 2.9 -2.1 0.4
SINCE DEC 1 13.3 7.4 5.9 2.5
SINCE JUL 1 13.3 7.9 5.4 2.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 20 33 -13 32
MONTH TO DATE 314 354 -40 351
SINCE DEC 1 1258 1219 39 1224
SINCE JUL 1 2047 2158 -111 1914
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 8.1
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1200 AM
LOWEST 45 200 PM
AVERAGE 71
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 39 68 2020
MINIMUM TEMPERATURE (F) 25 -4 1981
SUNRISE AND SUNSET
JANUARY 11 2026.......SUNRISE 716 AM EST SUNSET 445 PM EST
JANUARY 12 2026.......SUNRISE 716 AM EST SUNSET 446 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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