549
CDUS41 KOKX 182039
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
439 PM EDT WED MAR 18 2026
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR MARCH 18 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 34 254 PM 77 2011 48 -14 59
MINIMUM 25 620 AM 0 1967 32 -7 36
AVERAGE 30 40 -10 48
PRECIPITATION (IN)
TODAY 0.00 0.55 1980 0.16 -0.16 0.00
MONTH TO DATE 3.50 2.64 0.86 2.90
SINCE MAR 1 3.50 2.64 0.86 2.90
SINCE JAN 1 9.74 9.59 0.15 7.22
SNOWFALL (IN)
TODAY 0.0 4.0 1977 0.2 -0.2 0.0
MONTH TO DATE 0.2 4.5 -4.3 0.0
SINCE MAR 1 0.2 4.5 -4.3 0.0
SINCE JUL 1 61.8 29.2 32.6 11.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 35 25 10 17
MONTH TO DATE 442 486 -44 394
SINCE MAR 1 442 486 -44 394
SINCE JUL 1 4298 4205 93 3876
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 9.4
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 53 100 AM
LOWEST 31 100 PM
AVERAGE 42
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 48 69 2010
MINIMUM TEMPERATURE (F) 33 0 1967
SUNRISE AND SUNSET
MARCH 18 2026.........SUNRISE 659 AM EDT SUNSET 702 PM EDT
MARCH 19 2026.........SUNRISE 657 AM EDT SUNSET 703 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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