Climatological Report (Daily)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
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787
CDUS41 KOKX 280629
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
229 AM EDT THU AUG 28 2025
...................................
...THE ISLIP NY CLIMATE SUMMARY FOR AUGUST 27 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1963 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 79 344 PM 94 2021 80 -1 85
MINIMUM 60 1102 PM 52 1989 65 -5 63
AVERAGE 70 72 -2 74
PRECIPITATION (IN)
YESTERDAY 0.00 2.19 2006 0.14 -0.14 0.00
MONTH TO DATE 0.53 3.78 -3.25 6.45
SINCE JUN 1 8.05 11.04 -2.99 11.44
SINCE JAN 1 23.78 29.84 -6.06 38.82
SNOWFALL (IN)
YESTERDAY 0.0 T 2020 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
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 1
SINCE JUN 1 18 31 -13 1
SINCE JUL 1 0 1 -1 1
COOLING
YESTERDAY 5 7 -2 9
MONTH TO DATE 232 244 -12 248
SINCE JUN 1 901 708 193 844
SINCE JAN 1 913 737 176 886
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 8.5
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 75 300 AM
LOWEST 35 200 PM
AVERAGE 55
..........................................................
THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 95 1973
MINIMUM TEMPERATURE (F) 64 49 1986
SUNRISE AND SUNSET
AUGUST 28 2025........SUNRISE 616 AM EDT SUNSET 731 PM EDT
AUGUST 29 2025........SUNRISE 617 AM EDT SUNSET 729 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$