963
CDUS41 KOKX 212140
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
440 PM EST WED JAN 21 2026
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR JANUARY 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 34 343 PM 58 1974 39 -5 20
MINIMUM 8 725 AM -3 1984 24 -16 9
AVERAGE 21 31 -10 15
PRECIPITATION (IN)
TODAY 0.00 2.92 1979 0.12 -0.12 0.00
MONTH TO DATE 1.42 2.56 -1.14 0.37
SINCE DEC 1 5.19 7.27 -2.08 6.60
SINCE JAN 1 1.42 2.56 -1.14 0.37
SNOWFALL (IN)
TODAY 0.0 9.2 2014 0.3 -0.3 0.0
MONTH TO DATE 1.7 6.4 -4.7 2.7
SINCE DEC 1 14.2 10.9 3.3 4.8
SINCE JUL 1 14.2 11.4 2.8 4.8
SNOW DEPTH T
DEGREE DAYS
HEATING
TODAY 44 34 10 50
MONTH TO DATE 644 689 -45 706
SINCE DEC 1 1588 1554 34 1579
SINCE JUL 1 2377 2493 -116 2269
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 22 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 7.9
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 61 400 PM
LOWEST 36 1000 AM
AVERAGE 49
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 39 55 1967
1973
2017
MINIMUM TEMPERATURE (F) 24 -7 1984
SUNRISE AND SUNSET
JANUARY 21 2026.......SUNRISE 711 AM EST SUNSET 457 PM EST
JANUARY 22 2026.......SUNRISE 711 AM EST SUNSET 458 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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