830
CDUS41 KOKX 152131
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
431 PM EST THU JAN 15 2026
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR JANUARY 15 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 46 936 AM 66 1995 39 7 34
MINIMUM 37 359 PM -7 1988 24 13 21
AVERAGE 42 32 10 28
PRECIPITATION (IN)
TODAY T 1.76 1999 0.12 -0.12 0.00
MONTH TO DATE 1.03 1.86 -0.83 0.03
SINCE DEC 1 4.80 6.57 -1.77 6.26
SINCE JAN 1 1.03 1.86 -0.83 0.03
SNOWFALL (IN)
TODAY 0.0 4.7 2006 0.4 -0.4 0.0
MONTH TO DATE 0.8 4.3 -3.5 0.4
SINCE DEC 1 13.3 8.8 4.5 2.5
SINCE JUL 1 13.3 9.3 4.0 2.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 23 33 -10 37
MONTH TO DATE 413 486 -73 484
SINCE DEC 1 1357 1351 6 1357
SINCE JUL 1 2146 2290 -144 2047
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 24 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 11.8
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85 300 AM
LOWEST 33 200 PM
AVERAGE 59
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 39 60 1995
MINIMUM TEMPERATURE (F) 24 1 2004
SUNRISE AND SUNSET
JANUARY 15 2026.......SUNRISE 714 AM EST SUNSET 450 PM EST
JANUARY 16 2026.......SUNRISE 714 AM EST SUNSET 451 PM EST
- 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.
Main Text Page